ER312 is used to weld cast alloys of similar composition and is used to weld dissimilar metals and weld overlays. This alloy has very high ferrite. When welding similar cast alloys, limit welding to two or three layers only.
Stainless Welding Wire
APPLICATION:
Specification:
Welding Positions:
SHIELDING GAS
Features：
AWS A5.9 ER312
The weld deposits exhibit high tensile strength and offer
some resistance to abrasion
• Q2 Lot® - Certificate showing actual wire composition and
calculated ferrite number (FN) available online
• Applications should be limited to 800°F (420°C)
Typical Wire Chemistry as per AWS A5.9 (single values are maximum)
AWS A5.9/A5.9M: ER312
ISO 14343: 2009: (29 9)
ASME SFA-5.9: ER312
100% Argon
DIAMETERS / PACKAGING
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
