Surfacing

Hardsteel 45

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

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Additional Information

Diameter, mm	1.6 - 4.0
Curent type / Shielding	DC+ / Flux, Ar, CO₂,Ar + CO₂
Working conditions	Metal-to-metal friction, cyclic thermal load and corrosion
Applications	Hardfacing of continuous-casting (CC) machine rollers, hot rolling rolls, etc.

Weld formation	good
Slag separation	good
Deposit factor, g/A·h	15 - 22
Crack susceptibility	moderate
Wire consumption per, kg	1.05
Hardness (3-layer deposit on mild steel)	HRC 36 - 50

OPERATING CONDITIONS (Ar + CO₂)

Wire diameter, mm	Current, A	Voltage, V	Gas flow rate, L/min.	Deposition rate, m/h
1.6	150 – 300	24 – 32	10 – 20	12 – 25
2.0	200 – 400	24 – 32	10 – 20	12 – 30
2.4	250 – 450	24 – 32	10 – 20	12 – 30
2.8	250 – 450	24 – 32	10 – 20	15 – 30

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Hardsteel 45

Current, A

Voltage, V

Gas flow rate,