Surfacing

PP-Np-45V9H3SF (Np-45W9Cr3SiV)

Flux-cored wire for submerged-arc hardfacing of parts exposed to thermal fatigue and substantial relative pressure.

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Additional Information

Diameter, mm	1.6 - 4.0
Curent type / Shielding	DC+ / Flux
Working conditions	Thermal fatigue and high relative pressure
Applications	Hardfacing of hot pipe and section rolling steel rolls, metal hot-cutting blades, hammer heads, coiler pulling rollers, brake pulleys, etc.

Recommended flux	EFA-1, АN-26S/P, АN-20S/P
Slag separation	good
Deposit factor, g/A·h	10 - 16
Crack susceptibility	increased
Wire consumption, kg	1.05
Hardness of weld metall	HRC 41 - 54

OPERATING CONDITIONS

Wire diameter, mm	Current, A	Voltage, V	Deposition rate, m/h
1.6	140 – 200	25 – 28	10 – 14
2.0	160 – 240	25 – 29	12 – 17
2.4	200 – 290	26 – 30	15 – 19
2.8	260 – 330	29 – 31	18 – 22
3.2	280 – 380	29 – 33	19 – 23

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PP-Np-45V9H3SF (Np-45W9Cr3SiV)

Current, A

Voltage, V