Description
312 "universal" series weld-all style electrodes (welding rods) for high-strength and crack-resistant welding of almost any steel or stainless-steel, including dissimiliar metals. Ideal for; Unknown steels, Dissimilar steels (eg steel to stainless), Die or tool steel, etc. (Not recommended for cast iron). Classification E312-16.
Available in 1kg re-usable packs & blister/handy packs, in 2.6mm & 3.2mm.
APPLICATION INFO:
- Deposits 29% Cr / 9% Ni stainless steel type filler metal
- High strength & excellent resistance to hot cracking even under conditions of high dilution
- Commonly used for repair and maintenance welding of unknown &/or dissimilar steels
- Mild steel to stainless-steel
- Die or tool steel
- Suitable as buffer layer prior to hard facing
- NOT recommended for cast iron
OPERATING INFO:
- All welding positions, excluding vertical down
- Polarity: DC+ or AC+ (electrode +)
- Minimum recommended OCV (open circuit voltage): 45V
- Avoid high / excessive current
- Use straight "stringer" bead (rather than weave) technique
CLASSIFICATIONS:
- AWS A5.4 E 312-16
TYPICAL PROPERTIES OF ALL WELD METAL
- Tensile strength 770 Mpa (N\mm2)
- Yield strength 500 Mpa (N\mm2)
- Elongation 35%
- Composition %: C0.08 Mn1.30 Si0.80 Cr29.0 Ni8.50 FeBal'
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