QW-482 WELDING PROCEDURE SPECIFICATION (WPS)

Company Name: By:Welding Procedure Specification No.: JTT-24-PWHT Revision No. 0 Date: 7/6/2009Supporting PQR No.(s) JTT-24-PQR (PWHT) Revision No. 0 Date: 7/6/2009Welding Process(es) Type(s)

(Automatic, Manual, Machine, or Semi-Auto.)

JOINTS (QW-402) DetailsJoint DesignBacking (Yes) (No)Backing Material (Type)

(Refer to both backing and retainers.)

Metal Nonfusing MetalFillet weld

Nonmetallic Other See Project Specifications

Sketches, Production Drawings, Weld Symbols or Written DescriptionShould show the general arrangement of the parts to be welded. Whereapplicable, the root spacing and the setails of weld groove may bespecified.

(At the option of the Mfgr., sketches may be attached to illustrate jointdesign, weld layers and bead sequence, e.g. for notch toughness proce-dures, for multiple process procedures, etc.)

* BASE METALS (QW-403)P-No. Group No. to P-No. Group No.

J.T. Thorpe & Son, Inc. J. Jacob Dupree, P.E., Q.C. Manager

SMAW Manual

4 8

FilletN/A

N/A

P No. Group No. to P No. Group No.OR

Specification Type and Gradeto Specification Type and Grade

ORChem. Analysis and Mach. Prop.to Chem. Analysis and Mach. Prop.Thickness Range:

Base Metal:Pipe Dia. Range: Groove FilletOther

* FILLER METALS (QW-404)Spec. No. (SFA)AWS No. (Class)F-N0.A-No.Size of Filler MetalsWeld Metal

Thickness Range:GrooveFillet

Electrode - Flux (Class)Flux Trade NameConsumable InsertOther

*Each base metal - filler metal combination should be recorded individually.

N/AN/AN/A

43

3/32", 1/8", 5/32"

N/AAny size fillet weld

N/A

4 8

1060 Hensley Street, Richmond, CA 94801tel: 510-233-2500 fax: 510-233-2901

www.jtthorpe.com

5.11

Any thickness base metalAny size fillet weld

ENiCrFe-3 (INCO 182)

QW-482 (Back)WPS No. JTT-24-PWHT Rev. 0

POSITIONS POSTWELD HEAT TREATMENT (QW-407)Position(s) of Groove N/A Temperature Range

Welding Progression: Up Down Time RangePosition(s) of Fillet

GAS (QW-408) NonePREHEAT (QW-406) Percent Composition

Preheat Temp. Min. Gas(es) (Mixture) Flow RateInterpass Temp. Max.

Preheat Maintenance Shielding N/A N/A N/A(Continuous or special heating where applicable should be recorded) Trailing N/A N/A N/A

Backing N/A N/A N/A

ELECTRICAL CHARACTERISTICS (QW-409)Current AC or DC DC Polarity DCEPAmps (Range) Volts (Range)

(Amps and volts range should be recorded for each electrode size,position, and thickness, etc. This information may be listed in a tab-ular form similar to that shown below.)

Tungsten Electrode Size and type(Pure Tungsten, 2% Thoriated, etc.)

Mode of Metal Transfer for GMAW(Spray arc short circulating arc etc )

1250°F - 1350°F1 hour minimum

40 - 125 20 - 30

X

None 350°F

None required

N/A

N/A

ALL

(Spray arc, short circulating arc, etc.)

Arc Timing

TECHNIQUE (QW-410)String or Weave BeadOrifice or Gas Cup Size N/AInitial and Interpass Cleaning (Brushing, Grinding, etc.) Grinding and Brushing

Method of Back Gouging N/AOscillation N/AContact Tube to Work Distance N/AMultiple or Single Pass (per side)Multiple or Single ElectrodesTravel Speed (Range)Peening No peening

Other(e.g., Remarks, Com-

Travel ments, Hot WireWeld Type Amp. Volt Speed Addition, Technique,

Layer(s) Process Class Dia. Polar. Range Range Range Torch Angle, Etc.)

SMAWSMAWSMAW manual

Any layerAny layerAny layer

DCEPDCEPDCEPENiCrFe-3

40 - 6565 - 95

95 - 125

20 - 2521 - 28ENiCrFe-3

ENiCrFe-3 3/32"1/8"5/32" 22 - 30

manualmanual

N/A

www.jtthorpe.com

Filler Metal Current

1060 Hensley Street, Richmond, CA 94801tel: 510-233-2500 fax: 510-233-2901

String or weave

SingleSingle or multiple

Manual

QW-483 PROCEDURE QUALIFICATION RECORD (PQR)(See QW-200.2, Section IX, ASME Boiler and Pressure Vessel Code)

Record Actual Conditions Used to Weld Test Coupon

Company Name: J.T. Thorpe & Son, Inc.Procedure Qualification Record No.: JTT-24-PQR (PWHT) Rev. 0 Date:WPS No. JTT-24Welding Process(es) SMAWTypes (Manual, Automatic, Semi-Auto.) Manual

JOINTS (QW-402)

Groove Design of Test Coupon(For combination qualifications, the deposited weld metal thickness shall be recorded for each filler metal or process used.)

BASE METALS (QW-403) POSTWELD HEAT TREATMENT (QW-407)Material Spec. SA-387-11 Cl.1 & 2 to SA-240-304 Temperature 1250 °FType or Grade Time 1 hourP-No. P-4 to P-No. P-8 Other N/AThickness of Test Coupon 1/4" plate x 1/4" plate

24-Jun-09

¼” SA-240-304LPlate

¼” SA-387-11 Cl. 2 plate

¼” fillet weld (typical both sides) E-309L-16

¼” SA-240-304 Plate

¼” SA-387-11 Cl. 1 & 2 plate

¼” fillet weld (typical both sides) ENiCrFe-3 (INCO-182)

Thickness of Test Coupon 1/4 plate x 1/4 plateDiameter of Test Coupon N/AOther

GAS (QW-408) NonePercent Composition

Gas(es) (Mixture) Flow RateShielding N/A N/A N/ATrailing N/A N/A N/A

FILLER METALS (QW-404) N/A Backing N/A N/A N/ASFA Specification 5.11AWS Specification ENiCrFe-3 (INCO 182) ELECTRICAL CHARACTERISTICS (QW-409)Filler Metal F-No. Current DCWeld Metal Analysis A-No. Polarity ReverseSize of Filler Metal 1/8" Amps. 85 - 90 Volts 23 - 25Other Tungsten Electrode Size N/A

OtherWeld Metal Thickness 1/4"

POSITION (QW-405) TECHNIQUE (QW-410)Position of Groove Flat Travel SpeedWeld Progression (Uphill, Downhill) N/A String or Weave Bead weaveOther Oscillation N/A

Multipass or Single Pass (per side) single passSingle or Multiple Electrodes single

PREHEAT (QW-406) OtherPreheat Temp. 350°FInterpass Temp. Single pass (no interpass temp.)Other Sample air cooled after welding

1060 Hensley Street, Richmond, CA 94801tel: 510-233-2500 fax: 510-233-2901

www.jtthorpe.com

43

¼” SA-240-304LPlate

¼” SA-387-11 Cl. 2 plate

¼” fillet weld (typical both sides) E-309L-16

¼” SA-240-304 Plate

¼” SA-387-11 Cl. 1 & 2 plate

¼” fillet weld (typical both sides) ENiCrFe-3 (INCO-182)