Surfacing

PP-Np-30H5G2SM (Np-30Cr5Mn2SiMo)

Flux-cored wire for automatic and semi-automatic open-arc, submerged-arc or gas-shielded hardfacing of parts exposed to metal-to-metal friction with extra alternating and impact loads.

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Additional Information

Diameter, mm	1.2 - 4.0
Curent type / Shielding	DC+ / open arc, flux, Ar, СО₂, Ar + CO₂
Working conditions	Metal-to-metal friction with extra alternating and impact loads
Applications	Hardfacing of tracked vehicle undercarriage sprockets and rollers, rubber mixer chambers and augers, etc.

Weld formation	good
Slag separation	good
Deposit factor, g/A·h	10 - 15
Crack susceptibility	moderate
Wire consumption per, kg	1.05 - 1.2
Hardness (3-layer deposit on mild steel)	HRC 48 - 56

OPERATING CONDITIONS (open arc)

Wire diameter, mm	Current, A	Voltage, V	Deposition rate, m/h	Wire stick-out, mm
1.6	160 – 220	24 – 26	10 – 14	30 – 40
2.0	200 – 250	25 – 27	12 – 17	30 – 40
2.4	240 – 290	26 – 28	15 – 19	30 – 40
2.8	260 – 350	26 – 28	18 – 22	30 – 40

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