ITW Welding Inconel 625 welding consumables— Corrosion resistance application

Welding Greater China

Customer Needs

ITW Offering

Why Ours

Content

Customer Needs

Strip cladding: 2 layers, Strip: EQNiCrMo-3

FCAW cladding： 3 layers, Wire: ENiCrMo3T1-4

SMAW cladding： 3 layers, Electrode: ENiCrMo-3

Item Spec. Acceptance AW / PWHT

Thickness 2/3-layer test 2/3-layer: 6.0~8.0mm AW

Chemical of deposition A5.11 ENiCrMo-3 AW

Horizontal side bend D=4T a=180°T=10mm Without crack PWHT

Intergranular corrosion ASTM A 262 C（48h×5） <0.075mm/month PWHT

Intergranular corrosion G28 A（120h） <1mm/year PWHT

Pitting corrosion G48 A （72h） <4g/m2 PWHT

Stress corrosion(MgCl2) YB/T 5362-2006（96h×2） Without crack PWHT

SCC NACE TM0177-2005 （720h） Without crack PWHT

ITW offering

Inconel 625 strip & flux(ESW)TBD-61 / ML-306 (EQNiCrMo-3)

Inconel 625 flux-cored wireTFW-625 (ENiCrMo3T1-4)

Inconel 625 electrode

TNM-10 (ENiCrMo-3)

ML-306 typical data

2 layers: TBD-61 (EQNiCrMo-3)、0.5 x 60mm DC+, 1000A/24V/18cpm/ESO30mm/Flux40mm

Test position C Mn Fe P S Si Cu Ni Cr Nb Ta Nb+Ta Mo

A5.14EQNiCrMo-3 0.10 0.50 <5.0

<0.02 <0.015

<0.50

<0.50

>58.0

20.0-23.0 -- --

3.15-4.15

8.0-10.0

8.00mm frombase

0.011 0.041 1.253 0.006 0.010 0.450 0.012 64.94 21.47 3.15 0.056 3.21 8.140

5.80mm from base

0.009 0.040 1.350 0.006 0.009 0.446 0.012 64.98 21.35 3.10 0.056 3.16 8.215

ITW offeringInconel 625 Strip & Flux (ESW) TBD-61+ML-306

TFW-625, Φ1.2

No. Current/Voltage Travel speedPreheat &

Interpass Temp.Shielding gas

1st layer 190A/27V 25 cm/min 100-150℃ 80%Ar+20%CO2

balance 190A/27V 25 cm/min 10-100℃ 80%Ar+20%CO2

ITW offeringInconel 625 flux-cored wire

C Mn Si P S Cr Ni Mo Fe Nb Ti

A5.34

ENiCrMo3

T1-4

≤0.10 ≤0.50 ≤0.50 ≤0.02 ≤0.015 20.0-23.0 >58.0 8.0-10.0 ≤5.0 3.15-4.15 ≤0.40

TFW-625 0.021 0.262 0.457 0.005 0.001 21.87 63.69 8.621 0.932 3.671 0.13

TNM-10 , Φ4.0

No. Current Travel speedPreheat & Interpass

Temp.

1st layer 115-125A 20-25cm/min 100-150℃

balance 115-125A 20-25cm/min 10-100℃

ITW offeringInconel 625 electrode

C Mn Si P S Cr Ni Mo Fe Nb Ti

A5.11

ENiCrMo-3≤0.10 ≤1.0 ≤0.75 ≤0.03 ≤0.02 20.0-23.0 >55.0 8.0-10.0 ≤7.0 3.15-4.15 --

TNM-10 0.032 0.4 0.32 0.01 0.006 21.5 63.4 9.06 1.65 3.29 0.076

Why Ours

Strip claddingTBD-61+ML-306

Stable products quality

Excellent corrosion resistance property

Excellent welding appearance

Stable welding ability

Excellent slag removal

Why Ours

FCAW claddingTFW-625 (ENiCrMo3T1-4)

The domestic brand of 625 flux-cored

wire

Stable product quality

Excellent corrosion resistance property

Excellent welding appearance

Stable welding ability

Less spatter

Why Ours

SMAW claddingTNM-10 (ENiCrMo-3)

Stable product quality

Excellent corrosion resistance property

Excellent welding appearance

Stable welding ability

Less spatter

Why Ours

Strip & flux：TBD-61/ML-306

Flux-cored wire：TFW-625

Electrode：TNM-10

Item Spec. Acceptance PWHTTBD-61/ML-

306TFW-625 TNM-10

Intergranularcorrosion

ASTM A 262 C（48h+96h+96h）

<0.075mm/M 620C/12hr 0.050mm/M 0.046mm/M 0.060mm/M

Intergranularcorrosion

G28 A（120h） <1mm/Y 620C/3.5hr 0.71mm/Y 0.58mm/Y testing

Pitting corrosion

G48 A （72h） <4g/m2 AW 0.12g/m2 0.0013g/m2 0.0031g/m2

Stress corrosion(MgCl2)

YB/T 5362-2006（96h×2）

Without crack 620C/12hr OK OK OK

SCCNACE TM0177-2005 （720h）

Without crack 620C/3.5hr OK OK OK

625 corrosion resistance performance

Why OursInconel 625 strip cladding:TBD-61+ML-306

Case 1：Lanzhou

Lincoln DC 1500 power source

Q345

2 layers, thickness:6-7mm

DC+/850-950A/24V/18cpm /stick out 30mm

Why OursInconel 625 strip cladding:TBD-61+ML-306

Case 2：Shanghai

ESAB 1600

Q345

2 layers, thickness:6-7mm

DC+/900-1050A/25V/20cpm /stick out 35mm

Why OursInconel 625 FCAW cladding:TFW-625

Case 1：Lanzhou

TFW-625 1.2mm

Q345

160-180A/26V/27cpm

100%CO2/80%Ar+20%CO2

Case 2 : Qingdao

TFW-625 1.2mm

Q345

DC+/180A/25V/25-30cpm /80%Ar+20%CO2

Why OursInconel 625 FCAW cladding:TFW-625

Why OursInconel 625 SMAW cladding:TNM-10

Case 1：Lanzhou

TNM-10 4.0mm

Q345

DC+/115A/17cpm

Case 2 : Qingdao

TNM-10 4.0mm

Q345

DC+/115A/20-25cpm

Why OursInconel 625 SMAW cladding:TNM-10

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