Surfacing

PP-Np-20H4

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

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Additional Information

Diameter, mm	3.0 - 4.0
Curent type / Shielding	DC+ / Open arc, flux
Working conditions	Thermal fatigue and high relative pressure
Applications	Hardfacing of metall hot-cutting blades, stamping and pressing tools, mill rolls, etc.

Recommended flux	EFA-1, АN-26S/P, АN-20S/P
Slag separation	good
Deposit factor, g/A·h	10 - 15
Crack susceptibility	moderate
Wire consumption, kg	1.3
Hardness of weld metall	HRC 46 - 52

OPERATING CONDITIONS (submerged arc)

Wire diameter, mm	Current, A	Voltage, V	Deposition rate, m/h
3.0	300 – 400	26 – 30	25 – 40
3.2	340 – 440	27 – 31	25 – 40
3.6	360 – 460	28 – 32	25 – 40

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