ERNiCrMo-3

ERNiCrMo-3 is used primarily for gas tungsten and gas metal arc and matching composition base metals. It can also be used for dissimilar welding using various nickel-chromium-molybdenum alloys and stainless steel, steel, low alloys, Inconel and Incoloy alloys and even carbon steels. It is also used for welding Inconel 601 and Incoloy 800.

Common Names: Oxford Alloy® 625 FM625 Techalloy 625 

Conformances: AWS 5.14 Class ERNiCrMo-3 / ASME SFA 5.14 
                          UNS N06625 

CHEMICAL COMPOSITION(%)

C 

Si 

Mn 

S 

P 

Ni

Nb+Ta

≤0.1

 ≤0. 5

   ≤0.5

≤0.015

≤0.02

≥58.0 

3.5-4.15 

Al 

Ti 

Fe

Cu

Cr 

Mo

others

≤0.4 

≤0.4  

  ≤5.0 

≤0.5

20-23

8.0-10

 <0.5

WELDING PARAMETERS

Process 

Diameter

Voltage

Amperage

Shielding Gas

TIG

.035”    (0.9mm)

.045”    (1.2mm)                    

1/16”    (1.6mm)                      

3/32”    (2.4mm)                   

1/8”     (3.2mm)

12-15         

13-16         

14-18         

15-20         

15-20 

60-90          

80-110        

90-130      

120-175    

150-220

100% Argon                         

100% Argon                         

100% Argon                         

100% Argon                         

100% Argon

MIG

.035”     (0.9mm)

.045”     (1.2mm)                  

1/16”     (1.6mm) 

26-29         

28-32         

29-33

150-190    

180-220     

200-250

75% Argon + 25% Helium      

75% Argon + 25% Helium      

75% Argon + 25% Helium

SAW

3/32”     (2.4mm)                    

1/8”      (3.2mm)                   

5/32”     (4.0mm)

28-30         

29-32         

30-33

275-350            

350-450            

400-550

Suitable Flux may be used     

Suitable Flux may be used      

Suitable Flux may be used



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