Surfacing

Hardsteel 55D

Flux-cored wire for automatic and semi-automatic submerged-arc hardfacing of steel mill rolls and similar parts exposed to metal-to-metal friction, cyclic thermal load and corrosion.

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Additional Information

Diameter, mm	2.0 - 4.0
Curent type / Shielding	DC+ / Flux
Working conditions	Metal-to-metal friction, cyclic thermal load and corrosion.
Applications	Hardfacing of strip hot rolling mill rolls, pinch rolls, coiler rollers, etc.

Recommended flux	EFA-1
Slag separation	good
Deposit factor, g/A·h	14 - 18
Crack susceptibility	moderate
Wire consumption, kg	1.05 - 1.20
Hardness of weld metall	HRC 50 - 60

OPERATING CONDITIONS

Wire diameter, mm	Current, A	Voltage, V	Deposition rate, m/h
2.0	200 – 350	26 – 32	20 – 40
2.8	250 – 500	28 – 32	25 – 40
3.2	300 – 600	28 – 32	25 – 40
3.6	350 – 650	29 – 33	25 – 40

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Hardsteel 55D

Current, A

Voltage, V