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AS-7

A versatile welding alloy for dissmailer unknown steel joining.

Alloy Base

Cr, Ni, Fe, Mn

Special Features

Controlled grain structure for high strength and for ductility.

Controlled ferrite-austenite duplex structure.

Low amperage, extremely low spatter, easy strike and re-strike.

Weld bead is smooth, tough with superior crack resistance.

Optimum resistance to friction, heat, corrosion Impact.

A universally versatile electrode, used even for problem steel.

Recommendations

A Versatile electrode for welding most types of steels. The deposit of AS-7 is a super alloy of austinoferritic steel with maximum 30% ferrite content. Very high tensile strength and highly suitable for the welding of "dissimilar and unknown steels". It is quite suitable for combination of similar and dissimilar steels and joining steels of different thicknesses.

Principal Applications

Tools, dies, pinions, springs, shafts, machinable build up and overlays, automobile application including gear box main shaft, counter shaft and key ways. Joining of wear plates, Buckets, many more application in sugar industries.

Procedure

Clean weld area of any foreign or greasy material. Use AC or DC reverse polarity, hold Short arc, restrict the weaving to two times the electrode diameter. Intermittent welds may be necessary for welding high alloy steels. Burn off rate is rapid permitting speedier welding. Penn to relieve stresses, slag releases easily

UTS

85 Kgf/mm²

Elongation

22%-26%