ER312
Alloy Type: A5.9, STAINLESS STEEL Bare, Cored and Stranded Electrodes
ER312 stainless steel wire is used for welding cast alloys of similar composition as well as dissimilar metals including stainless to mild steels. It can also be used for welding high strength steels. This alloy has very high ferrite.
AWS Class: ER312 | Certification: AWS A5.9/ A5.9M:2006 |
Alloy: ER312 | AWS/ASME SFA A5.9 |
Welding Position:
F, V, OH, H |
Current:
MIG-DCEP TIG-DCEN |
Typical Properties (as welded)
Yield, kpsi: | 78 |
Tensile Strength, kpsi: | 109 |
Elongation%, min: | 25 |
Typical Wire Chemistry as per AWS A5.9 (single values are maximum)
C | Cr | Ni | Mo | Mn | Si | P | S | Cu |
0.15 | 28.0-32.0 | 8.0-10.5 | 0.75 | 1.0-2.5 | 0.30-0.65 | 0.03 | 0.03 | 0.75 |
Typical Welding Parameters | ||||
Diameter | Process | Volt | Amps | |
in | (mm) | |||
.023 | (0.6) | GMAW | 14-19 | 30-85 |
.030 | (0.8) | GMAW | 15-20 | 45-125 |
.035 | (0.9) | GMAW | 16-22 | 60-150 |
.045 | (1.14) | GMAW | 17-22 | 90-210 |
1/16” | (1.6) | GTAW | 12 | 80-150 |
3/32” | (2.4) | GTAW | 12 | 150-250 |
1/8” | (3.2) | GTAW | 12 | 200-375 |