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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