SUNHARD-250

CLASSIFICATION:

Hardfacing Electrodes

Typical Weld Metal Hardness: 240-280 BHN on mild steel two layers.

DESCRIPTION:

SUNHARD-250 is a basic coated AC/DC(-) type electrode producing an air hardening type weld metal for hard facing of carbon and low alloy steels. The weld metal is highly resistant to abrasive wear and has a fair degree of toughness.

DIRECTION:

Gouge as you would with a hand chisel on wood,pressing firmly on the metal & moving forward as rapidly as practical to avoid unnecessary heat concentration and assure a cleaner the groove.

Description

TYPICAL ALL WELD METAL PROPERTIES:

Chemical Composition (%)
C 0.20 Mn 1.0
Si 0.40 Cr 1.80

TYPICAL APPLICATIONS:

Ideal for rail points and crossings, axles, wheels, gear shafts, couplings, pinion teeth, rollers, sprockets etc.

CURRENT RANGE & PACKING DATA:

Size Length Current Range Qty of Electrodes in a Qty of Electrodes in a
(mm) (mm) (Amps) Carton Cardboard Box
3.15 450 100-130 5 Kg 20 Kg
4.00 450 140-180 5 Kg 20 Kg
5.00 450 180-220 5 Kg 20 Kg

PACKING:

Electrodes are packed in Cartons and four of these Cartons are shrink wrapped in a cardboard box.

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