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Transcript of Doko.vn 180927 Quy Trinh Han WPS Cho Mot Du An
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2 of
CONTENT
Section 1 Scope
Section 2 Reference
Section 3 Materials
Section 4 Preheat and Interpass Temperature
Section 5 Tack welding
Section 6 Welding Procedure Specification Summary
Section 7 Detail Welding Procedure Specification
1) SAW-V1 (1G)
2) SAW-V2 (1G)
3) SAW-X1 (1G)
4) SAW-X2 (1G)
5) SAW-X3 (1G)
6) FCAW-V1 (1G,2G,3G)
7) FCAW-V2 (1G,2G,3G)
8) FCAW-X1 (1G,2G,3G)
9) FCAW-X2 (1G,2G,3G)
10) FCAW-K1 (1G,2G)
11) FCAW-K2 (1G,2G)
12) FCAW-K3 (1G,2G,3G)
13) FCAW-K4 (1G,2G,3G)
14) FCAW-L1 (1G,2G)
15) FCAW-L2 (1G,2G)
16) FCAW-L3 (1G,2G,3G)
17) FCAW-L4 (1G,2G,3G)
18) FCAW-FS1 (1F,2F)
19) FCAW-FS2 (1F,2F,3F)
20) FCAW-FM1 (1F,2F)21) FCAW-FM2 (1F,2F,3F)
22) FCAW-FA1 (1F,2F)
23) FCAW-FA2 (1F,2F,3F)
24) STD Downhand
25) SMAW-F1 (1F,2F,3F)
27WP No.
28
25WP No.
WP No. 26
WP No. 21
WP No. 22
WP No. 24
WP No. 23
WP No. 17
WP No. 18
WP No. 20
WP No. 19
WP No. 14
WP No. 15
WP No. 16
WP No. 10
WP No. 12
WP No. 13
WP No. 11
4
5
WP No. 7
WP No. 9
WP No. 8
4
3
Page 31
Page
3
3
WP No.
WP No.
WP No. 29
30
WP No. 31
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3 of
Section 1 : Scope
Following steel structures are subjected to this document :
- Edge Girder
- Floor Beam
- Stringer.
Explanation of terms in this specification:
1) Welding Process :
SAW : Submerged Arc Welding
FCAW-G : Flux Cored Arc Welding - Gas Shielded
SMAW : Shielded Metal Arc Welding
STD : Stud Welding (Automatic machine welding)
2) Welding Position :
1G : Groove Weld in Flat Position
2G : Groove Weld in Horizontal Position
3G : Groove Weld in Vertical Position
1F : Fillet Weld in Flat Position
2F : Fillet Weld in Horizontal Position
3F : Fillet Weld in Vertical Position
3) Type of Joint :
CJPGW : Complete Joint Penetration Groove Weld
PJPGW : Partial Joint Penetration Groove Weld
FW : Fillet Weld
STD : Stud Welding.
Section 2 : Reference
1) Doc. No. NT-PE-090619-03
"Technical Specification for Structural Work of Nhat Tan Bridge Construction Project "
2) Doc. No. NT-FA-001 dated Nov. 09, 2009
Letter of intent for shop-fabrication work of steel girder and anchor box of Nhat Tan Bridge
2) Specification No 22TCN 272-05
"Specification for Bridge Design" of Vietnam Ministry of Communications and Transport
3) AWS D1.5M / D1.5 : 2002
"American Welding Society, Bridge Welding Code"
4) 1993 - Standard for Steel Structure Fabrication for Honshu-Shikoku Bridges
by Honshu-Shikoku Bridge Authority
3) JIS Z 3801 - 2002
"Japanese Industrial Standards"
Section 3 : Materials
Steel materials
1) Steel plate
Material specification : JIS G3101 Rolled steels for general structure
Grade SS400.
: JIS G3106 Rolled steels for welded structure
Grade SM490Y, SM490YB, SM520C, SM570
Page 31
This document specifies the welding procedure specification (WPS) for steel structures to be fabricated in "Mitsui
Thang Long Steel Construction Co., Ltd. (MTSC)" for Shop-fabrication Work of Steel Structure in NHAT TAN
BRIDGE CONSTRUCTION PROJECT (VIETNAM).
3-1
Steel material to be used shall be as shown in the following in accordance with "Technical Specification".
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2) Steel shape 4 of
Material specification : JIS G3101 Rolled steels for general structure
Grade SS400
3) Steel pipe
Material specification : JIS G5201 Centrifugally cast steel pipe for welded structure
Grade SCW490-CF
4) Stud material JIB B 1198 Head Stud
Material specification : JIS G3507
Welding consumables
Welding consumables to be used shall be as shown in the following table :
Note : *1 Manufactured by Kobe Steel Co., Ltd.
*2 Manufactured by Hyundai Welding Co., Ltd.
- Redrying conditions of SAW flux: 150 - 350C for 1 hours.
- Dry the SMAW electrodes at 300- 350C for 30 -60 minutes before use.
Section 4 : Preheat and Interpass Temperature
Section 5 : Tack Welding
Note: The base metal shall be pre-heated over 20C, when the ambient temperature is 5C or below.
- 230
110 230
110 230
-
65
230
230
80 230
- 205
20SM490
SM490Y205
50 205
Max
SM520
SM570
- 205
10 205
10 205
SS400
SM400
Min Max Max Min Max
*1
S-7016.H *2
The portion of base metal within 50 mm in all direction from the point of welding shall be preheated before welding.
Steel Grade20 < t 40mm
SMAWLB-52
3.2, 4.0 mm A5.1 E7016SS400, SM490Y,
SM490YB
Min Min
t 20mm 40 < t 60mm 60 < t 100
*1
SF-71 *2
DW-60 AWS A5.29E81T1-Ni1C
SM570 *1
FCAW
DW-100
1.2 mm
A5.20 E71T-1C
SS400, SM490Y,
SM490YB,
SCW490-CF, SM520C
*1
US-49/MF-38
Applicable Material
AWS A5.23
F8A4-EG-A4SM570 *1
SAW
US-36/MF-38
4.0 mm
A5.17 F7A6
-EH14
SS400, SM490Y,
SM490YB, SM520C
- Tack weld shall be perform in the same maner as main welding.
- Tack weld shall be minimum 80mm length and 4mm weld size. Tack welding spacing shall be maximum 400mm
length.
- Slag on tack weld shall be removed and the weld surface shall be visually inspected before main welding.
Page 31
3-2
Welding Process Trade NameDiameter of AWS
RemarksFiller Wire Classification
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Section 6 Welding Procedure Specification Summary
Flat (1G)
(SM490YB,SM490YA) Edge Girder, Floor Beam
BF - BF
FCAW-K4
FCAW-G
1G, 2G,3G
(SM570)
(Semi)
T 20mm
TC-U5-GF
(Page 18
AWS D1.5)
Floor Beam, Edge Girder
Web-BF, TF, Web.
Stiff-BF, TF, Web
FCAW-K1
FCAW-K2
FCAW-K3
1G,2G
(SM490YB,
SM490YA)
(Auto)
1G, 2G(SM570)
(Auto)
1G,2G,3G
(SM490YB,
SM490YA)
(Semi)
Floor Beam, Edge Girder
Web-Web, TF-TF, BF-BF
Joint No.
1G, 2G, 3G
(SM570)
FCAW-X1
FCAW-G
1G,2G,3G
(SM490YB,
SM490YA)
T > 20mm
B-U3-GF
(page 14
AWS D1.5)
SAW-V2Flat (1G)
(SM570)
SAW-X3Flat (1G)
(SM570)
T 20B-L2c-S
(page 14AWS D1.5)SAW
SAW
T > 20mm
Root Gap:
0-2mm
B-U3c-S
(Page 13
AWS D1.5)
FCAW-V1
FCAW-G
1G,2G,3G
(SM490YA,
SM490YB)
T 20mmB-U2-GF
(page 14
AWS D1.5)
Floor Beam, Edge Girder
Web-Web, TF-TF, BF-BF
FCAW-V21G, 2G, 3G
(SM570)
Floor Beam, Edge Girder
Web-Web, TF-TF, BF-BF
FCAW-X2
SAW-V1
Flat (1G)
(SM490YB,
SM490YA)
Page
SAW-X1 SAW Flat (1G)
T1=19
T2= 28, 31
Root Gap:
0-2mm
B-L2c-S
(page 14
AWS D1.5)
Edge Girder
Web to web
SAW-X2
31
WP No.Welding
Method
Welding
PositionEdge Preparation
Thickness AWSApplicable
LocationRange Prequalified
(mm)
60
0-2
6 to over
Backgouge
Side 2
Side 1
+10- 5
T
60
f=6 to over
Backgouge
Side 2
Side 1
+10
- 5
T
60+10
- 5
13(T-f)
23(T-f)
60
0-4mm
0-5mm
Backgouge
Side 2
Side 1
+10- 5
T
60
f=0-5mm
Backgouge
Side 2
Side 1
+10
- 5
T
60+10
- 5
13(T-f)
23(T-f)
0-4mm
T
12(T-f)
12(T-f)
45 +
10
-5
45
+10
-5
f=0-5mm
Backgouge
Side 1Side 2
0-4mm
0-2mm
Backgouge
Side 2
Side 1+10
- 5
6
6
T2
T1
60
6 to over
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6 of
Edge Girder, Floor Beam
Stiff - BF, TF, Web
FCAW-G
Page 31
WP No.Welding
Method
Welding
PositionEdge Preparation
Thickness AWSApplicable
LocationRange Prequalified
(mm) Joint No.
FCAW-G
SMAW-11F,2F,3F
(Manual)
FCAW-
FA1
FCAW-
FA2
FCAW-G
(1F, 2F)
Auto
1F,2F,3F
(Semi)
FCAW
-FM1
1F,2F
(Auto)
FCAW
-FM3
1F,2F,3F
(Semi)
-
- Tack welding for assembly
with Material SM490Y,
SM490YB only.
STW-1
T1>1/3 of
stud
diameter
Stud on
Main Girder, Floor Beam
SMAW Unlimited
All
Fillet Size: 6
and 6 to 10
All
Fillet Size:
10 and over
-
All of Typical Type
of Main Girder, Floor Beam:
Web-BF, Web-TF, Web-Stiff;
TF-Rib; BF-Rib
(for SM490YA, SM490YB)
All of Typical Type
of Main Girder:
Web-BF, BF-Sole
(for SM490YA, SM490YB)
All-
Main Girder
Web to BF, TF
(for SM570)
-
FCAW
-FS1
FCAW-G
Stud
Welding
(Automatic
machine
welding)
Flat (1G)
FCAW-L4
1G, 2G,3G
(SM570)
(Semi)
1G, 2G(SM570)
(Auto)
FCAW
-L3
1G,2G,3G
(SM490YB,
SM490YA)
(Semi)
FCAW
-L1
1G,2G
(SM490YB,
SM490YA)
(Auto)
FCAW
-FS3
1F,2F,3F
(Semi)
FCAW
-L2
1F,2F
(Auto)
T20mm
TC-U4b-GF
(Page 17
AWS D1.5)
T
0-2mm
T
0-2mm
T
0-2mm
T
0-2mm
T
+10
-5
Backgouge
Side 1 Side 2
45
0-5mm
0-4mm
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7 of
0
--
X
X
X ELECTRICAL CHARACTERISTICS
Root Face
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
POSTWELD HEAT TREATMENT
4.0
Side 2
Fill/cap SAW EH-14 AC 500 - 650 26 - 33 20 - 45
AC 450 - 550 26 - 33 20 - 45
Fill/Cap SAW EH-14 4.0 AC 500 - 650
Side 1
Root/Hot SAW EH-14 4.0
26 - 33 20 - 45
Max. t
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8 of
0
--
X
X
X ELECTRICAL CHARACTERISTICS
Root Face
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
POSTWELD HEAT TREATMENT
Fill/cap SAW EH-14 4.0 AC 500 - 650 26 - 33 20 - 45
Fill/Cap SAW EH-14 4.0 AC 500 - 650 26 - 33 20 - 45
Side 2
450 - 550 26 - 33 20 - 45
Side 1
Root/Hot SAW EH-14 4.0
Layer(s) (mm) Polarity
AC
Max. t
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9 of
0
--
X
X
X ELECTRICAL CHARACTERISTICS
Root Face X
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
POSTWELD HEAT TREATMENT
20 - 454.0Fill/Cap SAW EH-14 AC 500 - 650 26 - 33
26 - 33 20 - 45Root/Hot SAW EH-14 4.0 AC 450 - 550
Side 2
Fill/Cap SAW EH-14 4.0 AC 500 - 650 26 - 33 20 - 45
Side 1
Root/Hot SAW EH-14 4.0
Speed
Layer(s) (mm) Polarity (A) (V) (cpm)
WeldClass
Dia. Type & Amperes Volts
AC 450 - 550 26 - 33 20 - 45
Max. t40mm: 205
WELDING PROCEDURE
Pass or
Process
Filler Metals Welding Current Travel
Joint Details
Min. t 20mm : 10
20
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10 of
0
--
X
X
X ELECTRICAL CHARACTERISTICS
Root Face X
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
POSTWELD HEAT TREATMENT
Fill/Cap SAW EH-14 AC 500 - 650 26 - 33 20 - 454.0
20 - 45Side 2
Root/Hot SAW EH-14 4.0 AC 450 - 550 26 - 33
Fill/Cap SAW EH-14 4.0 AC 500 - 650 26 - 33 20 - 45
Side 1
Root/Hot SAW EH-14 4.0
Speed
Layer(s) (mm) Polarity (A) (V) (cpm)
WeldClass
Dia. Type & Amperes Volts
AC 450 - 550 26 - 33 20 - 45
Max. t40mm: 205
t>40mm: 230
WELDING PROCEDURE
Pass or
Process
Filler Metals Welding Current Travel
Joint Details
Min. 20< t 40mm : 20
40< t 60mm : 65
60< t 100mm : 110
N/A Gas Cup Size N/A Temp. N/A
PREHEAT AND INTERPASS TEMP Time N/A
(F7P6-F7A6) Composition N/A Interpass Cleaning Brushing, grinding
Electrode-Flux(Class) Flow Rate N/A
Flux MF-38 Gas N/A Peening N/A
Trade Name US-36 Angle 10
SHIELDING Contact Tube to Work Distance 25mm35mm
AWS Specification AWS A5.17 Electrode Spacing : Longitudinal 3mm
AWS Classification EH14 Lateral 3mm
Stringer Bead
Diameter (Pipe) N/A Multi-pass or Single Pass (per side) Single
Number of Electrodes Single
Thickness(mm) : Groove 20mm to Over
Fillet N/A Stringer or Weave Bead
BASE METALS
Material Spec. JIS G3106 Size N/A
Type or Grade SM490YB, SM490YA, SM520 Type N/A
Backgouging : Yes No DCEN Pulsed
Method Arc air gouge Other N/A
Spray
Groove Angle 55-70 Radius (J-U) N/A Current : AC DCEP
Root Gap 0~2 mm 6mm to over Short-Circuiting Globular
Backing : Yes No
Backing Material N/A Transfer Mode (GMAW) :
Fillet N/A
Single Double Weld Vertical Progression : Up Down
JOINT DESIGN USED POSITION
Type : Position of Groove : 1G
Welding Process (es) SAW Type Manual Semi - Automatic
Supporting PQR No.(s) Machine Automatic
Company Name MTSC Authorized by D.V.Quang Date Jul. 19, 2011
Page 31
WELDING PROCEDURE SPECIFICATION (WPS)
Identification # SAW-X2
Revision Date By
60
6 to over
Backgouge
Side 2
Side 1
+10
- 5
T2
T1
60+10
- 5
13(T2-6)
23(T2-6)
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11 of
0
--
X
X
X ELECTRICAL CHARACTERISTICS
Root Face X
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
POSTWELD HEAT TREATMENT
20 - 45
Fill/Cap SAW EH-14 4.0 AC 500 - 650 26 - 33 20 - 45
Side 2Root/Hot SAW EH-14 4.0 AC 450 - 550 26 - 33
Fill/Cap SAW EH-14 4.0 AC 500 - 650 26 - 33 20 - 45
Side 1
Root/Hot SAW EH-14 4.0
Speed
Layer(s) (mm) Polarity (A) (V) (cpm)
WeldClass
Dia. Type & Amperes Volts
AC 450 - 550 26 - 33 20 - 45
Max. t40mm: 205
t>40mm: 230
WELDING PROCEDURE
Pass or
Process
Filler Metals Welding Current Travel
Joint Details
Min. 20< t 40mm : 50
40< t 60mm : 80
60< t 100mm : 110
N/A Gas Cup Size N/A Temp. N/A
PREHEAT AND INTERPASS TEMP Time N/A
(F8A4 / F8P6) Composition N/A Interpass Cleaning Brushing, grinding
Electrode-Flux(Class) Flow Rate N/A
Flux MF-38 Gas N/A Peening N/A
Trade Name US-49 Angle 10
SHIELDING Contact Tube to Work Distance 25mm35mm
AWS Specification AWS A5.23 Electrode Spacing : Longitudinal 3mm
AWS Classification EG-A4 Lateral 3mm
Stringer Bead
Diameter (Pipe) N/A Multi-pass or Single Pass (per side) Single
Number of Electrodes Single
Thickness(mm) : Groove 20mm to Over
Fillet N/A Stringer or Weave Bead
BASE METALS
Material Spec. JIS G3106 Size N/A
Type or Grade SM570 Type N/A
Backgouging : Yes No DCEN Pulsed
Method Arc air gouge Other N/A
Spray
Groove Angle 55-70 Radius (J-U) N/A Current : AC DCEP
Root Gap 0~2 mm 6mm to over Short-Circuiting Globular
Backing : Yes No
Backing Material N/A Transfer Mode (GMAW) :
Fillet N/A
Single Double Weld Vertical Progression : Up Down
JOINT DESIGN USED POSITION
Type : Position of Groove : 1G
Welding Process (es) SAW Type Manual Semi - Automatic
Supporting PQR No.(s) Machine Automatic
Company Name MTSC Authorized by D.V.Quang Date Jul. 19, 2011
Page 31
WELDING PROCEDURE SPECIFICATION (WPS)
Identification # SAW-X3
Revision Date By
60
6 to over
Backgouge
Side 2
Side 1
+10
- 5
T2
T1
60+10
- 5
13(T2-6)
23(T2-6)
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12 of
0
-- X
X
X ELECTRICAL CHARACTERISTICS
Root Face X
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
N/A
POSTWELD HEAT TREATMENT
Cap FCAW-G E71T-1C 1.2 DCEP 180 - 220 28 - 32 18-25
Side 2
Hot/Fill FCAW-G E71T-1C 1.2 DCEP 180 - 230 30 - 35 18-25
28 - 32 18-25Cap FCAW-G E71T-1C 1.2 DCEP 180 - 220
18-25
Hot/Fill FCAW-G E71T-1C 1.2 DCEP 180 - 230 30 - 35 18-25
Side 1
Root FCAW-G E71T-1C 1.2 DCEP 170-220 27-32
WELDING PROCEDURE
Pass or
Process
Filler Metals Welding Current Travel
Joint DetailsWeldClass
Dia. Type & Amperes Volts Speed
Layer(s) (mm) Polarity (A) (V) (cpm)
Max. t20mm: 205
Temp. N/A
PREHEAT AND INTERPASS TEMP Time N/A
Min. t 20mm : 10
Electrode-Flux(Class) Flow Rate 15-25 liter/min
N/A Gas Cup Size 16mm Dia.
Flux Gas CO2 Gas Peening N/A
Composition 100% Interpass Cleaning Brushing, grinding
Trade Name DW-100 or SF-71 Angle N/A
SHIELDING Contact Tube to Work Distance 15mm25mm
AWS Specification AWS A5.20 Electrode Spacing : Longitudinal N/A
AWS Classification E71T-1C Lateral N/A
Weave Bead
Diameter (Pipe) N/A Multi-pass or Single Pass (per side) Single or Multipass
Number of Electrodes Single
Thickness(mm) : Groove T 20mm
Fillet N/A Stringer or Weave Bead
BASE METALS
Material Spec. JIS G3106 Size N/A
Type or Grade SM490YB, SM490YA, SM520 Type N/A
Backgouging : Yes No DCEN Pulsed
Method Arc air gouge Other N/A
Spray
Groove Angle 55-70 Radius (J-U) N/A Current : AC DCEP
Root Gap 0-4 mm 0-5mm Short-Circuiting Globular
Backing : Yes No
Backing Material N/A Transfer Mode (GMAW) :
Fillet N/A
Single Double Weld Vertical Progression : Up Down
JOINT DESIGN USED POSITION
Type : Position of Groove : 1G,2G,3G
Welding Process (es) FCAW-G Type Manual Semi - Automatic
Supporting PQR No.(s) Machine Automatic
Company Name MTSC Authorized by D.V.Quang Date Jul. 19, 2011
Page 31
WELDING PROCEDURE SPECIFICATION (WPS)
Identification # FCAW-V1
Revision Date By
60
0-4mm
0-5mm
Backgouge
Side 2
Side 1
+10
- 5
T
-
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13 of
0
-- X
X
X ELECTRICAL CHARACTERISTICS
Root Face X
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
N/A
POSTWELD HEAT TREATMENT
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 230
Hot/Fill FCAW-G E71T-1C 1.2 DCEP 200 - 250 29-33 21-35
30 - 35 21-35
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 230 30 - 35 21-35
Side 2
21-35
Hot/Fill FCAW-G E71T-1C 1.2 DCEP 200 - 250 30 - 35 21-35
Side 1
Root FCAW-G E71T-1C 1.2
T ype & Amperes Volts
DCEP 180-230 29-33
Speed
Layer(s) (mm) Polarity (A) (V) (cpm)
WELDING PROCEDURE
Pass or
Process
Filler Metals Welding Current Travel
Joint DetailsWeldClass
Dia.
Max. t20mm: 205
Temp. N/A
PREHEAT AND INTERPASS TEMP Time N/A
Min. t 20mm : 10
Electrode-Flux(Class) Flow Rate 15-25 liter/min
N/A Gas Cup Size 16mm Dia.
Flux Gas CO2 Gas Peening N/A
Composition 100% Interpass Cleaning Brushing, grinding
Trade Name DW-60 Angle N/A
SHIELDING Contact Tube to Work Distance 15mm25mm
AWS Specification AWS A5.29 Electrode Spacing : Longitudinal N/A
AWS Classification E81T1-Ni1C Lateral N/A
Wave Bead
Diameter (Pipe) N/A Multi-pass or Single Pass (per side) Single or Multipass
Number of Electrodes Single
Thickness(mm) : Groove T 20mm
Fillet N/A Stringer or Weave Bead
BASE METALS
Material Spec. JIS G3106 Size N/A
Type or Grade SM570 Type N/A
Backgouging : Yes No DCEN Pulsed
Method Arc air gouge Other N/A
Spray
Groove Angle 55-70 Radius (J-U) N/A Current : AC DCEP
Root Gap 0-4 mm 0-5mm Short-Circuiting Globular
Backing : Yes No
Backing Material N/A Transfer Mode (GMAW) :
Fillet N/A
Single Double Weld Vertical Progression : Up Down
JOINT DESIGN USED POSITION
Type : Position of Groove : 1G,2G,3G
Welding Process (es) FCAW-G Type Manual Semi - Automatic
Supporting PQR No.(s) Machine Automatic
Company Name MTSC Authorized by D.V.Quang Date Jul. 19, 2011
Page 31
WELDING PROCEDURE SPECIFICATION (WPS)
Identification # FCAW-V2
Revision Date By
60
0-4mm
0-5mm
Backgouge
Side 2
Side 1
+10
- 5
T
-
8/11/2019 Doko.vn 180927 Quy Trinh Han WPS Cho Mot Du An
13/30
-
8/11/2019 Doko.vn 180927 Quy Trinh Han WPS Cho Mot Du An
14/30
15 of
0
-- X
X
X ELECTRICAL CHARACTERISTICS
Root Face X
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
N/A
POSTWELD HEAT TREATMENT
t>40mm: 230
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 230 30 - 35 21-35
Hot/Fill FCAW-G E71T-1C 1.2 DCEP 200 - 250 29-33 21-35
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 230 30 - 35 21-35
Side 2
21-35
Hot/Fill FCAW-G E71T-1C 1.2 DCEP 200 - 250 30 - 35 21-35
Side 1
Root FCAW-G E71T-1C 1.2
Type & Amperes Volts
DCEP 180-230 29-33
Speed
Layer(s) (mm) Polarity (A) (V) (cpm)
WELDING PROCEDURE
Pass or
Process
Filler Metals Welding Current Travel
Joint DetailsWeldClass
Dia.
40< t 60mm : 8060< t 100mm : 110
Max. t40mm: 205
Temp. N/A
PREHEAT AND INTERPASS TEMP Time N/A
Min. 20< t 40mm : 50
Electrode-Flux(Class) Flow Rate 15-25 liter/min
N/A Gas Cup Size 16mm Dia.
Flux Gas CO2 Gas Peening N/A
Composition 100% Interpass Cleaning Brushing, grinding
Trade Name DW-60 Angle N/A
SHIELDING Contact Tube to Work Distance 15mm25mm
AWS Specification AWS A5.29 Electrode Spacing : Longitudinal N/A
AWS Classification E81T1-Ni1C Lateral N/A
Wave Bead
Diameter (Pipe) N/A Multi-pass or Single Pass (per side) Single or Multipass
Number of Electrodes Single
Thickness(mm) : Groove T>20mm
Fillet N/A Stringer or Weave Bead
BASE METALS
Material Spec. JIS G3106 Size N/A
Type or Grade SM570 Type N/A
Backgouging : Yes No DCEN Pulsed
Method Arc air gouge Other N/A
Spray
Groove Angle 55-70 Radius (J-U) N/A Current : AC DCEP
Root Gap 0-4 mm 0-5mm Short-Circuiting Globular
Backing : Yes No
Backing Material N/A Transfer Mode (GMAW) :
Fillet N/A
Single Double Weld Vertical Progression : Up Down
JOINT DESIGN USED POSITION
Type : Position of Groove : 1G,2G,3G
Welding Process (es) FCAW-G Type Manual Semi - Automatic
Supporting PQR No.(s) Machine Automatic
Company Name MTSC Authorized by D.V.Quang Date Jul. 19, 2011
Page 31
WELDING PROCEDURE SPECIFICATION (WPS)
Identification # FCAW-X2
Revision Date By
60
f=0-5mm
Backgouge
Side 2
Side 1
+10
- 5
T
60+10
- 5
13(T-f)
23(T-f)
-
8/11/2019 Doko.vn 180927 Quy Trinh Han WPS Cho Mot Du An
15/30
16 of
0
--
X
X
X ELECTRICAL CHARACTERISTICS
Root Face X
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
Trade Name DW-100 (or SF-71)
POSTWELD HEAT TREATMENT
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 250 30 - 35 21-35
Hot/Fill FCAW-G E71T-1C 1.2 DCEP 200 - 270 30 - 35 21-35
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 250 30 - 35 21-35
(Side 2)
180 - 250 29-33 21-35
Hot/Fill FCAW-G E71T-1C 1.2 DCEP 200 - 270 30 - 35 21-35
Side 1
Root FCAW-G E71T-1C 1.2
Layer(s) (mm) Polarity
DCEP
Max. t40mm: 205
WELDING PROCEDURE
Pass or
Process
Filler Metals Welding Current Travel
Joint DetailsWeld
(A) (V) (cpm)Class
Dia. Type & Amperes Volts Speed
t>40mm: 230
Min. 20< t 40mm : 20
40< t 60mm : 65
60< t 100mm : 110
N/A Gas Cup Size 16mm Dia. Temp. N/A
PREHEAT AND INTERPASS TEMP Time N/A
N/A
Composition 100% Interpass Cleaning Brushing, grinding
Electrode-Flux(Class) Flow Rate 15-25 liter/min
Angle N/A
SHIELDING Contact Tube to Work Distance 15mm25mm
Flux N/A Gas CO2 Gas Peening
AWS Specification AWS A5.20 Electrode Spacing : Longitudinal N/A
AWS Classification E71T-1 Lateral N/A
Stringer Bead
Diameter (Pipe) Multi-pass or Single Pass (per side) Single or MultipassNumber of Electrodes Single
Thickness(mm) : Groove T20mm
Fillet N/A Stringer or Weave Bead
BASE METALS
Material Spec. JIS G3106 Size N/A
Type or Grade SM490YB, SM490YA, SM520 Type N/A
Backgouging : Yes No DCEN Pulsed
Method Arc air gouge Other N/A
Spray
Groove Angle 40-55 Radius (J-U) N/A Current : AC DCEP
Root Gap 0-4 mm 0-5mm Short-Circuiting Globular
Backing : Yes No
Backing Material N/A Transfer Mode (GMAW) :
Fillet N/ASingle Double Weld Vertical Progression : Up Down
JOINT DESIGN USED POSITION
Type : Position of Groove : 1G,2G
Welding Process (es) FCAW-G Type Manual Semi - Automatic
Supporting PQR No.(s) N./A Machine Automatic
Company Name MTSC Authorized by D.V.Quang Date Jul. 19, 2011
Page 31
WELDING PROCEDURE SPECIFICATION (WPS)
Identification # FCAW-K1
Revision Date By
T
12(T-f)
12(T-f)
45 +
10
-5
45
+
10
-5
f=0-5mm
Backgouge
Side 1Side 2
0-4mm
-
8/11/2019 Doko.vn 180927 Quy Trinh Han WPS Cho Mot Du An
16/30
17 of
0
--
X
X
X ELECTRICAL CHARACTERISTICS
Root Face X
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
Trade Name
POSTWELD HEAT TREATMENT
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 250 30 - 35 21-35
Hot/Fill FCAW-G E71T-1C 1.2 DCEP 200 - 270 30 - 35 21-35
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 250 30 - 35 21-35
(Side 2)
180 - 250 29-33 21-35
Hot/Fill FCAW-G E71T-1C 1.2 DCEP 200 - 270 30 - 35 21-35
Side 1
Root FCAW-G E71T-1C 1.2
Layer(s) (mm) Polarity
DCEP
Max. t40mm: 205
WELDING PROCEDURE
Pass or
Process
Filler Metals Welding Current Travel
Joint DetailsWeld
(A) (V) (cpm)Class
Dia. Type & Amperes Volts Speed
t>40mm: 230
Min. 20< t 40mm : 20
40< t 60mm : 65
60< t 100mm : 110
N/A Gas Cup Size 16mm Dia. Temp. N/A
PREHEAT AND INTERPASS TEMP Time N/A
N/A
Composition 100% Interpass Cleaning Brushing, grinding
Electrode-Flux(Class) Flow Rate 15-25 liter/min
Angle N/A
SHIELDING Contact Tube to Work Distance 15mm25mm
Flux N/A Gas CO2 Gas Peening
DW-60
AWS Specification AWS A5.29 Electrode Spacing : Longitudinal N/A
AWS Classification E81T1-Ni1C Lateral N/A
Stringer Bead
Diameter (Pipe) Multi-pass or Single Pass (per side) Single or Multipass
Number of Electrodes Single
Thickness(mm) : Groove T20mm
Fillet N/A Stringer or Weave Bead
BASE METALS
Material Spec. JIS G3106 Size N/A
Type or Grade SM570 Type N/A
Backgouging : Yes No DCEN Pulsed
Method Arc air gouge Other N/A
Spray
Groove Angle 40-55 Radius (J-U) N/A Current : AC DCEP
Root Gap 0-4 mm 0-5mm Short-Circuiting Globular
Backing : Yes No
Backing Material N/A Transfer Mode (GMAW) :
Fillet N/A
Single Double Weld Vertical Progression : Up Down
JOINT DESIGN USED POSITION
Type : Position of Groove : 1G,2G
Welding Process (es) FCAW-G Type Manual Semi - Automatic
Supporting PQR No.(s) N./A Machine Automatic
Company Name MTSC Authorized by D.V.Quang Date Jul. 19, 2011
Page 31
WELDING PROCEDURE SPECIFICATION (WPS)
Identification # FCAW-K2
Revision Date By
T
12(T-f)
12(T-f)
45 +
10
-5
45
+10
-5
f=0-5mm
Backgouge
Side 1 Side 2
0-4mm
-
8/11/2019 Doko.vn 180927 Quy Trinh Han WPS Cho Mot Du An
17/30
18 of
0
-- X
X X
X ELECTRICAL CHARACTERISTICS
Root Face X
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
Trade Name DW-100 (or SF-71)
POSTWELD HEAT TREATMENT
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 250 30 - 35 18-25
(Side 2)Hot/Fill FCAW-G E71T-1C 1.2 DCEP 200 - 250 29-33 18-25
30 - 35 18-25Cap FCAW-G E71T-1C 1.2 DCEP 200 - 250
29 - 33 18-25
Hot/Fill FCAW-G E71T-1C 1.2 DCEP 200 - 270 30 - 35 18-25
Root FCAW-G E71T-1C 1.2 DCEP 180 - 250
Side 1
Joint DetailsWeldClass
Dia. Type & Amperes Volts Speed
Layer(s) (mm)
Max. t40mm: 205
t>40mm: 230
WELDING PROCEDURE
Pass or
Process
Filler Metals Welding Current Travel
Polarity (A) (V) (cpm)
Min. 20< t 40mm : 20
40< t 60mm : 65
60< t 100mm : 110
N/A Gas Cup Size 16mm Dia. Temp. N/A
PREHEAT AND INTERPASS TEMP Time N/A
N/A
Composition 100% Interpass Cleaning Brushing, grinding
Electrode-Flux(Class) Flow Rate 15-25 liter/min
Angle N/A
SHIELDING Contact Tube to Work Distance 15mm25mm
Flux N/A Gas CO2 Gas Peening
AWS Specification AWS A5.20 Electrode Spacing : Longitudinal N/A
AWS Classification E71T-1 Lateral N/A
Wave Bead
Diameter (Pipe) Multi-pass or Single Pass (per side) Single or MultipassNumber of Electrodes Single
Thickness(mm) : Groove T20mm
Fillet N/A Stringer or Weave Bead
BASE METALS
Material Spec. JIS G3106 Size N/A
Type or Grade SM490YB, SM490YA Type N/A
Backgouging : Yes No DCEN Pulsed
Method Arc air gouge Other N/A
Spray
Groove Angle 40-55 Radius (J-U) N/A Current : AC DCEP
Root Gap 0-4 mm 0-5mm Short-Circuiting Globular
Backing : Yes No
Backing Material N/A Transfer Mode (GMAW) :
Fillet N/ASingle Double Weld Vertical Progression : Up Down
JOINT DESIGN USED POSITION
Type : Position of Groove : 1G,2G,3G
Welding Process (es) FCAW-G Type Manual Semi - Automatic
Supporting PQR No.(s) N./A Machine Automatic
Company Name MTSC Authorized by D.V.Quang Date Jul. 19, 2011
Page 31
WELDING PROCEDURE SPECIFICATION (WPS)
Identification # FCAW-K3
Revision Date By
T
12(T-f)
12(T-f)
45 +
10
-5
45
+
10
-5
f=0-5mm
Backgouge
Side 1Side 2
0-4mm
-
8/11/2019 Doko.vn 180927 Quy Trinh Han WPS Cho Mot Du An
18/30
19 of
0
-- X
X X
X ELECTRICAL CHARACTERISTICS
Root Face X
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
Trade Name
POSTWELD HEAT TREATMENT
DW-60
29-33 18-25
30 - 35 18-25
29 - 33 18-25
Polarity (A)
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 250 30 - 35 18-25
(Side 2)Hot/Fill FCAW-G E71T-1C 1.2 DCEP 200 - 250
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 250
Hot/Fill FCAW-G E71T-1C 1.2 DCEP 200 - 270 30 - 35 18-25
Root FCAW-G E71T-1C 1.2 DCEP 180 - 250
Side 1
Joint DetailsWeldClass
Dia. Type & Amperes Volts Speed
Layer(s) (mm)
Max. t40mm: 205
t>40mm: 230
WELDING PROCEDURE
Pass or
Process
Filler Metals Welding Current Travel
(V) (cpm)
Min. 20< t 40mm : 20
40< t 60mm : 65
60< t 100mm : 110
N/A Gas Cup Size 16mm Dia. Temp. N/A
PREHEAT AND INTERPASS TEMP Time N/A
N/A
Composition 100% Interpass Cleaning Brushing, grinding
Electrode-Flux(Class) Flow Rate 15-25 li ter/min
Angle N/A
SHIELDING Contact Tube to Work Distance 15mm25mm
Flux N/A Gas CO2 Gas Peening
AWS Specification AWS A5.29 Electrode Spacing : Longitudinal N/A
AWS Classification E81T1-Ni1C Lateral N/A
Wave Bead
Diameter (Pipe) Multi-pass or Single Pass (per side) Single or MultipassNumber of Electrodes Single
Thickness(mm) : Groove T20mm
Fillet N/A Stringer or Weave Bead
BASE METALS
Material Spec. JIS G3106 Size N/A
Type or Grade SM570 Type N/A
Backgouging : Yes No DCEN Pulsed
Method Arc air gouge Other N/A
Spray
Groove Angle 40-55 Radius (J-U) N/A Current : AC DCEP
Root Gap 0-4 mm 0-5mm Short-Circuiting Globular
Backing : Yes No
Backing Material N/A Transfer Mode (GMAW) :
Fillet N/ASingle Double Weld Vertical Progression : Up Down
JOINT DESIGN USED POSITION
Type : Position of Groove : 1G,2G,3G
Welding Process (es) FCAW-G Type Manual Semi - Automatic
Supporting PQR No.(s) N./A Machine Automatic
Company Name MTSC Authorized by D.V.Quang Date Jul. 19, 2011
Page 31
WELDING PROCEDURE SPECIFICATION (WPS)
Identification # FCAW-K4
Revision Date By
T
12(T-f)
12(T-f)
45 +
10
-5
45
+
10
-5
f=0-5mm
Backgouge
Side 1 Side 2
0-4mm
-
8/11/2019 Doko.vn 180927 Quy Trinh Han WPS Cho Mot Du An
19/30
20 of
0
--
X
X
X ELECTRICAL CHARACTERISTICS
Root Face X
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
Trade Name DW-100 (or SF-71)
POSTWELD HEAT TREATMENT
30 - 35 21-35
DCEP 200 - 270 29-33 21-35
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 250
Side 2Hot/Fill FCAW-G E71T-1C 1.2
30 - 35 21-35
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 250 30 - 35 21-35
180 - 250 29-33 21-35
Hot/Fill FCAW-G E71T-1C 1.2 DCEP 200 - 270
Side 1
Root FCAW-G E71T-1C 1.2
Layer(s) (mm) Polarity
DCEP
Pass or
Process
Filler Metals Welding Current Travel
Joint DetailsWeld
(A) (V) (cpm)Class
Dia. Type & Amperes Volts Speed
N/A Gas Cup Size 16mm Dia.
Max. t20mm: 205
WELDING PROCEDURE
Temp. N/A
Time N/A
Electrode-Flux(Class) Flow Rate 15-25 liter/min
PREHEAT AND INTERPASS TEMP
Min. t 20mm : 10
N/A
Composition 100% Interpass Cleaning Brushing, grinding
Angle N/A
SHIELDING Contact Tube to Work Distance 15mm25mm
Flux N/A Gas CO2 Gas Peening
AWS Specification AWS A5.20 Electrode Spacing : Longitudinal N/A
AWS Classification E71T-1 Lateral N/A
Stringer Bead
Diameter (Pipe) Multi-pass or Single Pass (per side) Single or MultipassNumber of Electrodes Single
Thickness(mm) : Groove T 20mm
Fillet N/A Stringer or Weave Bead
BASE METALS
Material Spec. JIS G3106 Size N/A
Type or Grade SM490YB, SM490YA, SM520 Type N/A
Backgouging : Yes No DCEN Pulsed
Method Arc air gouge Other N/A
Globular Spray
Groove Angle 45/60 Radius (J-U) N/A Current : AC DCEP
Root Gap 0-4 mm Short-Circuiting0-5mm
Backing Material N/A Transfer Mode (GMAW) :
Fillet N/ASingle Double Weld Vertical Progression : Up Down
Position of Groove : 1G,2G
Welding Process (es) FCAW-G Type Manual
Backing : Yes No
31
WELDING PROCEDURE SPECIFICATION (WPS)
Identification # FCAW-L1
Revision Date By
Page
Semi - Automatic
Supporting PQR No.(s) N./A Machine Automatic
Company Name MTSC Authorized by D.V.Quang Date Jul. 19, 2011
JOINT DESIGN USED POSITION
Type :
T
+10
-5
(Backgouge)
Side 1 Side 2
45
0-5mm
0-4mm
-
8/11/2019 Doko.vn 180927 Quy Trinh Han WPS Cho Mot Du An
20/30
-
8/11/2019 Doko.vn 180927 Quy Trinh Han WPS Cho Mot Du An
21/30
22 of
0
-- X
X X
X ELECTRICAL CHARACTERISTICS
Root Face X
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
Trade Name DW-100 (or SF-71)
POSTWELD HEAT TREATMENT
30 - 35 18-25
29-33 18-25
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 230
Hot/Fill FCAW-G E71T-1C 1.2 DCEP 200 - 250
18-25
30 - 35 18-25
18-25
Hot/Fill FCAW-G E71T-1C 1.2 DCEP 200 - 250
Side 2
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 230 30 - 35
Joint DetailsWeld
(A) (V) (cpm)Class
Dia. Type & Amperes Volts Speed
Layer(s) (mm) Polarity
Pass or
Process
Filler Metals Welding Current Travel
N/A Gas Cup Size 16mm Dia.
Max. t20mm: 205
WELDING PROCEDURE
Temp. N/A
Time N/A
Electrode-Flux(Class) Flow Rate 15-25 li ter/min
PREHEAT AND INTERPASS TEMP
Min. t 20mm : 10
N/A
Composition 100% Interpass Cleaning Brushing, grinding
Angle N/A
SHIELDING Contact Tube to Work Distance 15mm25mm
Flux N/A Gas CO2 Gas Peening
AWS Specification AWS A5.20 Electrode Spacing : Longitudinal N/A
AWS Classification E71T-1 Lateral N/A
Wave Bead
Diameter (Pipe) Multi-pass or Single Pass (per side) Single or MultipassNumber of Electrodes Single
Thickness(mm) : Groove T 20mm
Fillet N/A Stringer or Weave Bead
BASE METALS
Material Spec. JIS G3106 Size N/A
Type or Grade SM490YB, SM490YA, SM520 Type N/A
Backgouging : Yes No DCEN Pulsed
Method Arc air gouge Other N/A
Globular Spray
Groove Angle 45/60 Radius (J-U) N/A Current : AC DCEP
Root Gap 0-4 mm Short-Circuiting0-5mm
Backing : Yes No
Backing Material N/A Transfer Mode (GMAW) :
Fillet N/ASingle Double Weld Vertical Progression : Up Down
JOINT DESIGN USED POSITION
Type : Position of Groove : 1G, 2G,3G
Welding Process (es) FCAW-G Type Manual Semi - Automatic
Supporting PQR No.(s) N./A Machine Automatic
Company Name MTSC Authorized by D.V.Quang Date Jul. 19, 2011
Page 31
WELDING PROCEDURE SPECIFICATION (WPS)
Identification # FCAW-L3
Revision Date By
Side 1
Root FCAW-G E71T-1C 1.2 DCEP 180 - 230 29 - 33
T
+10
-5
(Backgouge)
Side 1 Side 2
45
0-5mm
0-4mm
-
8/11/2019 Doko.vn 180927 Quy Trinh Han WPS Cho Mot Du An
22/30
23 of
0
-- X
X X
X ELECTRICAL CHARACTERISTICS
Root Face X
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
Trade Name
POSTWELD HEAT TREATMENT
DW-60
30 - 35 18-25
DCEP 200 - 250 29-33 18-25
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 230
Side 2Hot/Fill FCAW-G E71T-1C 1.2
Hot/Fill FCAW-G E71T-1C 1.2 DCEP 200 - 250 30 - 35 18-25
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 230 30 - 35 18-25
Side 1
Root FCAW-G E71T-1C 1.2
Speed
Layer(s) (mm) Polarity (A) (V) (cpm)
WeldClass
Dia. Type & Amperes Volts
DCEP 180 - 230 29 - 33 18-25
Max. t20mm: 205
WELDING PROCEDURE
Pass or
Process
Filler Metals Welding Current Travel
Joint Details
Min. t 20mm : 10
N/A Gas Cup Size 16mm Dia. Temp. N/A
PREHEAT AND INTERPASS TEMP Time N/A
N/A
Composition 100% Interpass Cleaning Brushing, grinding
Electrode-Flux(Class) Flow Rate 15-25 liter/min
Angle N/A
SHIELDING Contact Tube to Work Distance 15mm25mm
Flux N/A Gas CO2 Gas Peening
AWS Specification AWS A5.29 Electrode Spacing : Longitudinal N/A
AWS Classification E81T1-Ni1C Lateral N/A
Wave Bead
Diameter (Pipe) Multi-pass or Single Pass (per side) Single or MultipassNumber of Electrodes Single
Thickness(mm) : Groove T 20mm
Fillet N/A Stringer or Weave Bead
BASE METALS
Material Spec. JIS G3106 Size N/A
Type or Grade SM570 Type N/A
Backgouging : Yes No DCEN Pulsed
Method Arc air gouge Other N/A
Spray
Groove Angle 45/60 Radius (J-U) N/A Current : AC DCEP
Root Gap 0-4 mm 0-5mm Short-Circuiting Globular
Backing : Yes No
Backing Material N/A Transfer Mode (GMAW) :
Fillet N/ASingle Double Weld Vertical Progression : Up Down
JOINT DESIGN USED POSITION
Type : Position of Groove : 1G, 2G,3G
Welding Process (es) FCAW-G Type Manual Semi - Automatic
Supporting PQR No.(s) N./A Machine Automatic
Company Name MTSC Authorized by D.V.Quang Date Jul. 19, 2011
Page 31
WELDING PROCEDURE SPECIFICATION (WPS)
Identification # FCAW-L4
Revision Date By
T
+10
-5
(Backgouge)
Side 1 Side 2
45
0-5mm
0-4mm
-
8/11/2019 Doko.vn 180927 Quy Trinh Han WPS Cho Mot Du An
23/30
24 of
0
--
X
X
X ELECTRICAL CHARACTERISTICS
Root Face X
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
Trade Name DW-100 (or SF-71)
POSTWELD HEAT TREATMENT
Multipass
Single pass
DCEP 180 - 270 29 - 33 21-35Root FCAW-G E71T-1C 1.2
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 270 30 - 35 21-35
Root FCAW-G E71T-1C 1.2
Speed
Layer(s) (mm) Polarity (A) (V) (cpm)
WeldClass
Dia. Type & Amperes Volts
DCEP 180 - 230 29 - 33 21-35
Max. t40mm: 205
t>40mm: 230
WELDING PROCEDURE
Pass or
Process
Filler Metals Welding Current Travel
Joint Details
Min. 20< t 40mm : 20
40< t 60mm : 65
60< t 100mm : 110
N/A Gas Cup Size 16mm Dia. Temp. N/A
PREHEAT AND INTERPASS TEMP Time N/A
N/A
Composition 100% Interpass Cleaning Brushing, grinding
Electrode-Flux(Class) Flow Rate 15-25 liter/min
Angle N/A
SHIELDING Contact Tube to Work Distance 15mm25mm
Flux N/A Gas CO2 Gas Peening
AWS Specification AWS A5.20 Electrode Spacing : Longitudinal N/A
AWS Classification E71T-1 Lateral N/A
Stringer Bead
Diameter (Pipe) Multi-pass or Single Pass (per side) Single or Multi pass
Number of Electrodes Single
Thickness(mm) : Groove N/A
Fillet Unlimited Stringer or Weave Bead
BASE METALS
Material Spec. JIS G3106 Size N/A
Type or Grade SM490YB, SM490YA, SM520 Type N/A
Backgouging : Yes No DCEN Pulsed
Method N/A Other N/A
Spray
Groove Angle N/A Radius (J-U) N/A Current : AC DCEP
Root Gap 0~2 mm N/A Short-Circuiting Globular
Backing : Yes No
Backing Material N/A Transfer Mode (GMAW) :
Fillet 1F,2F
Single Double Weld Vertical Progression : Up Down
JOINT DESIGN USED POSITION
Type : Position of Groove : N/A
Welding Process (es) FCAW-G Type Manual Semi - Automatic
Supporting PQR No.(s) N./A Machine Automatic
Company Name MTSC Authorized by D.V.Quang Date Jul. 19, 2011
Page 31
WELDING PROCEDURE SPECIFICATION (WPS)
Identification # FCAW-FS1
Revision Date By
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25 of
0
-- X
X X
X ELECTRICAL CHARACTERISTICS
Root Face X
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
Trade Name DW-100 (or SF-71)
POSTWELD HEAT TREATMENT
Multipass
Single passDCEP 180 - 250 29 - 33 18-25Root FCAW-G E71T-1C 1.2
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 250 30 - 35 18-25
Root FCAW-G E71T-1C 1.2
Speed
Layer(s) (mm) Polarity (A) (V) (cpm)
WeldClass
Dia. Type & Amperes Volts
DCEP 180 - 230 29 - 33 18-25
Max. t40mm: 205
t>40mm: 230
WELDING PROCEDURE
Pass or
Process
Filler Metals Welding Current Travel
Joint Details
Min. 20< t 40mm : 20
40< t 60mm : 65
60< t 100mm : 110
N/A Gas Cup Size 16mm Dia. Temp. N/A
PREHEAT AND INTERPASS TEMP Time N/A
N/A
Composition 100% Interpass Cleaning Brushing, grinding
Electrode-Flux(Class) Flow Rate 15-25 liter/min
Angle N/A
SHIELDING Contact Tube to Work Distance 15mm25mm
Flux N/A Gas CO2 Gas Peening
AWS Specification AWS A5.20 Electrode Spacing : Longitudinal N/A
AWS Classification E71T-1 Lateral N/A
Wave Bead
Diameter (Pipe) Multi-pass or Single Pass (per side) Single or Multi passNumber of Electrodes Single
Thickness(mm) : Groove N/A
Fillet Unlimited Stringer or Weave Bead
BASE METALS
Material Spec. JIS G3106 Size N/A
Type or Grade SM490YB, SM490YA, SM520 Type N/A
Backgouging : Yes No DCEN Pulsed
Method N/A Other N/A
Spray
Groove Angle N/A Radius (J-U) N/A Current : AC DCEP
Root Gap 0~2 mm N/A Short-Circuiting Globular
Backing : Yes No
Backing Material N/A Transfer Mode (GMAW) :
Fillet 1F, 2F,3FSingle Double Weld Vertical Progression : Up Down
JOINT DESIGN USED POSITION
Type : Position of Groove : N/A
Welding Process (es) FCAW-G Type Manual Semi - Automatic
Supporting PQR No.(s) N./A Machine Automatic
Company Name MTSC Authorized by D.V.Quang Date Jul. 19, 2011
Page 31
WELDING PROCEDURE SPECIFICATION (WPS)
Identification # FCAW-FS2
Revision Date By
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26 of
0
--
X
X
X ELECTRICAL CHARACTERISTICS
Root Face X
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
Trade Name DW-100 (or SF-71)
POSTWELD HEAT TREATMENT
Cap(1) FCAW-G E71T-1C 1.2 DCEP 200 - 270 30 - 35 21-35
Cap(2) FCAW-G E71T-1C 1.2 DCEP 200 - 250 30 - 35 21-35
Root FCAW-G E71T-1C 1.2
Speed
Layer(s) (mm) Polarity (A) (V) (cpm)
WeldClass
Dia. Type & Amperes Volts
DCEP 180 - 230 29 - 33 21-35
Max. t40mm: 205
t>40mm: 230
WELDING PROCEDURE
Pass or
Process
Filler Metals Welding Current Travel
Joint Details
Min. 20< t 40mm : 20
40< t 60mm : 65
60< t 100mm : 110
N/A Gas Cup Size 16mm Dia. Temp. N/A
PREHEAT AND INTERPASS TEMP Time N/A
N/A
Composition 100% Interpass Cleaning Brushing, grinding
Electrode-Flux(Class) Flow Rate 15-25 liter/min
Angle N/A
SHIELDING Contact Tube to Work Distance 15mm25mm
Flux N/A Gas CO2 Gas Peening
AWS Specification AWS A5.20 Electrode Spacing : Longitudinal N/A
AWS Classification E71T-1 Lateral N/A
Stringer Bead
Diameter (Pipe) Multi-pass or Single Pass (per side) MultipassNumber of Electrodes Single
Thickness(mm) : Groove N/A
Fillet Unlimited Stringer or Weave Bead
BASE METALS
Material Spec. JIS G3106 Size N/A
Type or Grade SM490YB, SM490YA, SM520 Type N/A
Backgouging : Yes No DCEN Pulsed
Method N/A Other N/A
Spray
Groove Angle N/A Radius (J-U) N/A Current : AC DCEP
Root Gap 0~2 mm N/A Short-Circuiting Globular
Backing : Yes No
Backing Material N/A Transfer Mode (GMAW) :
Fillet 1F,2FSingle Double Weld Vertical Progression : Up Down
JOINT DESIGN USED POSITION
Type : Position of Groove : N/A
Welding Process (es) FCAW-G Type Manual Semi - Automatic
Supporting PQR No.(s) N./A Machine Automatic
Company Name MTSC Authorized by D.V.Quang Date Jul. 19, 2011
Page 31
WELDING PROCEDURE SPECIFICATION (WPS)
Identification # FCAW-FM1
Revision Date By
-
8/11/2019 Doko.vn 180927 Quy Trinh Han WPS Cho Mot Du An
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27 of
0
-- X
X X
X ELECTRICAL CHARACTERISTICS
Root Face X
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
Trade Name DW-100 (or SF-71)
POSTWELD HEAT TREATMENT
29-33 21-35Side 2Root FCAW-G E71T-1C 1.2 DCEP 200 - 250
Hot/Fill FCAW-G E71T-1C 1.2 DCEP 200 - 250 30 - 35 21-35
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 230 30 - 35 21-35
Side 1
Root FCAW-G E71T-1C 1.2
Speed
Layer(s) (mm) Polarity (A) (V) (cpm)
WeldClass
Dia. Type & Amperes Volts
DCEP 180-230 29-33 21-35
Max. t40mm: 205
t>40mm: 230
WELDING PROCEDURE
Pass or
Process
Filler Metals Welding Current Travel
Joint Details
Min. 20< t 40mm : 20
40< t 60mm : 65
60< t 100mm : 110
N/A Gas Cup Size 16mm Dia. Temp. N/A
PREHEAT AND INTERPASS TEMP Time N/A
N/A
Composition 100% Interpass Cleaning Brushing, grinding
Electrode-Flux(Class) Flow Rate 15-25 liter/min
Angle N/A
SHIELDING Contact Tube to Work Distance 15mm25mm
Flux N/A Gas CO2 Gas Peening
AWS Specification AWS A5.20 Electrode Spacing : Longitudinal N/A
AWS Classification E71T-1 Lateral N/A
Wave Bead
Diameter (Pipe) Multi-pass or Single Pass (per side) MultipassNumber of Electrodes Single
Thickness(mm) : Groove N/A
Fillet Unlimited Stringer or Weave Bead
BASE METALS
Material Spec. JIS G3106 Size N/A
Type or Grade SM490YB, SM490YA, SM520 Type N/A
Backgouging : Yes No DCEN Pulsed
Method N/A Other N/A
Spray
Groove Angle N/A Radius (J-U) N/A Current : AC DCEP
Root Gap 0~2 mm N/A Short-Circuiting Globular
Backing : Yes No
Backing Material N/A Transfer Mode (GMAW) :
Fillet 1F, 2F,3FSingle Double Weld Vertical Progression : Up Down
JOINT DESIGN USED POSITION
Type : Position of Groove : N/A
Welding Process (es) FCAW-G Type Manual Semi - Automatic
Supporting PQR No.(s) N./A Machine Automatic
Company Name MTSC Authorized by D.V.Quang Date Jul. 19, 2011
Page 31
WELDING PROCEDURE SPECIFICATION (WPS)
Identification # FCAW-FM2
Revision Date By
-
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28 of
0
--
X
X X
X ELECTRICAL CHARACTERISTICS
Root Face X
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
Trade Name
POSTWELD HEAT TREATMENT
DW-60
DCEP 200 - 250 29-33 21-35Side 2Root FCAW-G E71T-1C 1.2
Hot/Fill FCAW-G E71T-1C 1.2 DCEP 200 - 250 30 - 35 21-35
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 230 30 - 35 21-35
Side 1
Root FCAW-G E71T-1C 1.2
Speed
Layer(s) (mm) Polarity (A) (V) (cpm)
WeldClass
Dia. Type & Amperes Volts
DCEP 180-230 29-33 21-35
Max. t40mm: 205
t>40mm: 230
WELDING PROCEDURE
Pass or
Process
Filler Metals Welding Current Travel
Joint Details
Min. 20< t 40mm : 50
40< t 60mm : 80
60< t 100mm : 110
N/A Gas Cup Size 16mm Dia. Temp. N/A
PREHEAT AND INTERPASS TEMP Time N/A
N/A
Composition 100% Interpass Cleaning Brushing, grinding
Electrode-Flux(Class) Flow Rate 15-25 liter/min
Angle N/A
SHIELDING Contact Tube to Work Distance 15mm25mm
Flux N/A Gas CO2 Gas Peening
AWS Specification AWS A5.29 Electrode Spacing : Longitudinal N/A
AWS Classification E81T1-Ni1C Lateral N/A
Stringer Bead
Diameter (Pipe) Multi-pass or Single Pass (per side) MultipassNumber of Electrodes Single
Thickness(mm) : Groove N/A
Fillet Unlimited Stringer or Weave Bead
BASE METALS
Material Spec. JIS G3106 Size N/A
Type or Grade SM570 Type N/A
Backgouging : Yes No DCEN Pulsed
Method N/A Other N/A
Spray
Groove Angle N/A Radius (J-U) N/A Current : AC DCEP
Root Gap 0~2 mm N/A Short-Circuiting Globular
Backing : Yes No
Backing Material N/A Transfer Mode (GMAW) :
Fillet 1F, 2FSingle Double Weld Vertical Progression : Up Down
JOINT DESIGN USED POSITION
Type : Position of Groove : N/A
Welding Process (es) FCAW-G Type Manual Semi - Automatic
Supporting PQR No.(s) N./A Machine Automatic
Company Name MTSC Authorized by D.V.Quang Date Jul. 19, 2011
Page 31
WELDING PROCEDURE SPECIFICATION (WPS)
Identification # FCAW-FA1
Revision Date By
T
0-2mm
=9mm >9mm
-
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29 of
0
-- X
X X
X ELECTRICAL CHARACTERISTICS
Root Face X
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
Trade Name
POSTWELD HEAT TREATMENT
DW-60
Cap
30 - 35 21-35
FCAW-G E71T-1C 1.2 DCEP 200 - 230 30 - 35 21-35
DCEP 200 - 250 29-33 21-35
Hot/Fill FCAW-G E71T-1C 1.2 DCEP 200 - 230
Side 2Root FCAW-G E71T-1C 1.2
Cap FCAW-G E71T-1C 1.2 DCEP 200 - 230 30 - 35 21-35
Side 1
Root FCAW-G E71T-1C 1.2
Speed
Layer(s) (mm) Polarity (A) (V) (cpm)
WeldClass
Dia. Type & Amperes Volts
DCEP 180-230 29-33 21-35
Max. t40mm: 205
t>40mm: 230
WELDING PROCEDURE
Pass or
Process
Filler Metals Welding Current Travel
Joint Details
Min. 20< t 40mm : 50
40< t 60mm : 80
60< t 100mm : 110
N/A Gas Cup Size 16mm Dia. Temp. N/A
PREHEAT AND INTERPASS TEMP Time N/A
N/A
Composition 100% Interpass Cleaning Brushing, grinding
Electrode-Flux(Class) Flow Rate 15-25 liter/min
Angle N/A
SHIELDING Contact Tube to Work Distance 15mm25mm
Flux N/A Gas CO2 Gas Peening
AWS Specification AWS A5.29 Electrode Spacing : Longitudinal N/A
AWS Classification E81T1-Ni1C Lateral N/A
Wave Bead
Diameter (Pipe) Multi-pass or Single Pass (per side) MultipassNumber of Electrodes Single
Thickness(mm) : Groove N/A
Fillet Unlimited Stringer or Weave Bead
BASE METALS
Material Spec. JIS G3106 Size N/A
Type or Grade SM570 Type N/A
Backgouging : Yes No DCEN Pulsed
Method N/A Other N/A
Spray
Groove Angle N/A Radius (J-U) N/A Current : AC DCEP
Root Gap 0~2 mm N/A Short-Circuiting Globular
Backing : Yes No
Backing Material N/A Transfer Mode (GMAW) :
Fillet 1F, 2F,3FSingle Double Weld Vertical Progression : Up Down
JOINT DESIGN USED POSITION
Type : Position of Groove : N/A
Welding Process (es) FCAW-G Type Manual Semi - Automatic
Supporting PQR No.(s) N./A Machine Automatic
Company Name MTSC Authorized by D.V.Quang Date Jul. 19, 2011
Page 31
WELDING PROCEDURE SPECIFICATION (WPS)
Identification # FCAW-FA2
Revision Date By
T
0-2mm
=9mm >9mm
-
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30 of
Company Name MTSC
Welding Process (es) Stud Welding (Auto. machine) 0
Stud material : JIS B 1198 Headed Stud Base material :
Material specifications: JIS G 3507 Specification: JIS G 3106 SM490Y, SM490YB, SM520C, SM570
Weld base diameter : 22Fmm Alloy and temper : None
Group No. : II
Coating : Not applied
Clearning method : Grinding
Stud Shape :
Flat : Round : X Tube: Angle:
Diameter : 22Fmm
Ferrule :
Part No. : -
Ferrule description : A-22
Position :
Over head :
Down-hand : X
Side-hand :
Machine data : Angular degrees from normal
Power supply Angle iron inside radius Heel of angle
Model : MRN - 2500II
Stud gun model : GS - 202
Weld time (Secs.): Cycles: 60 Shielding gas(es) : -
Current : 1,500 A 5%OCV 75 A Composition : -
Polarity : DC RP Lift : 3.5 mm Flow rate : -
Plunge (protrusion) : 5 mm
Weld cable size : 100 mm2 Length : 25 m
Number of grounds (workpiece leads) : 1
Procedure :
1)
2) The steel plate surface shall be cleaned by grinding.
3) The ferrules (arc shields) shall be ept dry.
4)
-
0.8
At the time of welding, the studs shall be free from rust, rust pits, scale, oil, moisture, or other deleterious matter that wold
adversele affect the welding operation.
Stud shall be welded with automatically timed stud welding equipment connected to a suitable source of direct current (reversed
polarity).
Stud detail :
0
- -
Jul. 19, 2011
Page 31
WELDING PROCEDURE SPECIFICATION (WPS)
Identification # STW-1
Revision Date By
Supporting PQR No.(s) N./A Authorized by D.V.Quang Date
-
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31 of
0
-- X
X
X ELECTRICAL CHARACTERISTICS
Root Face
X
X
Tungsten Electrode (GTAW)
TECHNIQUE
FILLER METALS
Trade Name
POSTWELD HEAT TREATMENT
100 - 140 20 - 25 8 - 12
(A) (V) (cpm)
Amperes Volts Speed
4.0 140-180 21-26 10 - 15
or
Cap SMAW E7016 3.2 DCEP 100 - 140 20 - 25 8 - 12
140-180 21-26 10 - 15Filling SMAW E7016 4.0
4.0 140-180 21-26 10 - 15
or
DCEP
DCEP
Root SMAW E7016 3.2
Layer(s) (mm) PolarityClass
Dia. Type &
DCEP
Max. t40mm: 205
WELDING PROCEDURE
Pass or
Process
Filler Metals Welding Current Travel
Joint DetailsWeld
t>40mm: 230
Min. 20< t 40mm : 20
40< t 60mm : 65
60< t 100mm : 110
N/A Gas Cup Size N/A Temp. N/A
Time N/APREHEAT AND INTERPASS TEMP
Composition N/A Interpass Cleaning Brushing, grinding
Electrode-Flux(Class) Flow Rate N/A
Flux N/A Gas N/A Peening N/A
LB-52 or S-7016.H Angle N/A
SHIELDING Contact Tube to Work Distance N/A
AWS Specification AWS A5.1 Electrode Spacing : Longitudinal N/A
AWS Classification E7016 Lateral N/A
Wave Bead
Diameter (Pipe) N/A Multi-pass or Single Pass (per side) Multi-pass
Number of Electrodes Single
Thickness(mm) : Groove N/A
Fillet Unlimited Stringer or Weave Bead
BASE METALS
Material Spec. JIS G 3101, G3106 Size N/A
Type or Grade Type N/A
Backgouging : Yes No DCEN
SS400, SM490Y, SM490YB
Pulsed
Method N/A Other N/A
Globular Spray
Groove Angle N/A Radius (J-U) N/A Current : AC DCEP
Root Gap 0~2 mm =T mm Short-Circuiting
Transfer Mode (GMAW) :
Fillet 1F,2F,3F
Single Double Weld Vertical Progression : Up Down
Type : Position of Groove : N/A
Welding Process (es) SMAW Type Manual
Backing : Yes No
DCEP
Page
Semi - Automatic
Supporting PQR No.(s) N./A Machine Automatic
Company Name MTSC Authorized by D.V.Quang Date Jul. 19, 2011
JOINT DESIGN USED POSITION
Backing Material N/A
31
WELDING PROCEDURE SPECIFICATION (WPS)
Identification # SMAW-1
Revision Date By