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For Stainless Steels Alloys

LoTherme-457HD

AWS: SFA

EN ISO CODE:

Multipurpose type stainless steel electrode with very high deposition rate.

Approvals

CHARACTERSTICS

Excellent operating characteristics.
The weld metal has excellent crack resistance and good toughness.
The weld metal has good scaling resistance up to 850 C.
Work hardening weld metal.

Applications :

Ideal for joining stainless steel of similar composition, austenitic manganese steels to themselves and to carbon steels, heat resistant steels, heat treatable steels, armour plates, Wear resistant parts to earthmoving and stone working machines, buffer layers on a variety of steels, etc.

Typical hardfacing application are shell bucket lips, clutch lugs, conveyors, crusher cones, crusher hammers, crusher jaws, crusher lugs, crusher mantles, crusher rolls, crusher teeth, dipper teeth, drag line bucket lips and teeth, grizzlies grousers, shovel lips, pulverizer ploughs and rolls, sizing screens, rail ends and crossings, rail frogs and switches, hot working tools.

Typical Mechanical Properties of All Weld Metal:

ULTIMATE TENSILE STRENGTH : 60.0 kgf/mm2

ELONGATION : 35.0 %

HARDNESS AS DEPOSITED : 200 BHN

WORK HARDENS : up to 500 BHN under impact.

Welding Technique :

Re-dry the electrode at 250-300 C for one hour before use. Clean weld area free of all surface contamination. Use as low a current as possible, short arc and minimize weaving.

Current Conditions : DC (+) / AC