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Low Heat Input Electrodes- Astraloy 668 |
Low Heat Input Electrodes:
A versatile highly alloyed, chrome-nickel type, AC/DC, all position electrode for high strength, crack-free welding of carbon, alloy, tool, die, stainless steels, dissimilar steels and steels of unknown composition . |
Characteristics :
Easy to strike, soft, smooth and quiet arc. Exceptional arc stability for critical repairs. Easy slag removal with high weld metal strength and crack resistance for joining dissimilar steels. Weld deposit has good resistance to wear due to friction, impact and corrosion.
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Applications :
Shovel buckets, booms, tool and die repairs, leaf springs chassis, wear plates, splines, key way of shafts, threads form, press dies, gears and shafts etc
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Weld Alloy Properties
UTS |
80-82 Kgf/mm2 |
% elongation |
22 |
Hardness |
220-240 BHN |
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Welding Data
Size Dia (mm) |
2.50 |
3.15 |
4.00 |
5.00 |
Welding Current (Amps) |
40-80 |
70-120 |
90-140 |
130-180 |
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