Zieta Kawat Las 312 Series

A superior all purpose welding electrode possessing a unique coating and special alloy core wire that produces a homogenous, porous-free, machinable weld deposit, deposits are dense and smooth, crack resistance and resistance to corrosion & heat. These features along with a high tensile, ductility & elongation, make ZIETA 312 a versatile electrode for all steels of difficult weldability and of unknown compositions.
Composition:
C=0.09, Mn=1.53, S=0.33, Ni=9.53, P=0.025, S=0.007, Cr = 29.48

APPLICATIONS:
Use for joining cracked die sections, shafts and keyways, gear tooth build-up. For difficult to weld steels such as high carbon steel, alloy steels & tool steels. Also best recommended for spring joining, hot & cold shears, tap extraction and drill shank.

PROCEDURE
Use either AC or DC, reverse polarity. Remove defective or fatigued weld metal, bevel heavy sections to be joined. On high alloy tool steels, a preheat of 300°F–400°F is recommended. Tilt electrode about 15° in the direction of travel and use the lowest amperage possible. Hold a short arc and use stringer beads. Peen to reduce stresses. Slag will peel off easily after each pass cools.