Surfacing

PP-Np-25H5FMS

Flux-cored wire for submerged-arc or gas-shielded hardfacing of parts exposed to cyclic thermal load and severe wear.

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Additional Information

Diameter, mm	1.2 - 4.0
Curent type / Shielding	DC+ / Flux, Ar, CO₂,Ar + CO₂
Working conditions	Thermal load and severe wear
Applications	Hardfacing of hot rolling rolls, metal hot-cutting blades, dies, pressing tools, etc.

Recommended flux	EFA-1, АN-26S/P, АN-20S/P
Slag separation	good
Deposit factor, g/A·h	10 - 16
Crack susceptibility	moderate
Wire consumption, kg	1.05 - 1.15
Hardness of weld metall	HRC 40 - 50

OPERATING CONDITIONS (submerged arc)

Wire diameter, mm	Current, A	Voltage, V	Deposition rate, m/h
1.6	140 – 220	26 – 28	10 – 14
2.0	180 – 250	27 – 29	12 – 17
2.4	200 – 290	28 – 30	15 – 19
2.8	250 – 340	29 – 31	18 – 22
3.2	300 – 400	30 – 32	20 – 24
3.6	340 – 450	31 – 34	20 – 25

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