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Surfacing

PP-Np-40H

Flux-cored wire for open-arc, submerged-arc or gas-shielded hardfacing of parts exposed to severe abrasive wear and corrosion at normal or increased temperatures up to 450°C.

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Additional Information
Diameter, mm 1.6 - 4.0
Curent type / Shielding DC+ / Open arc, flux, Ar, Ar + CO2
Working conditions Abrasive wear and corrosion at normal or increased temperatures (up to 450°C).
Applications

Hardfacing of tractor and excavator road wheels, conveyor parts, plough shares, etc. Can be used for sputtering (metallizing).
Recommended flux  EFA-1, АN-26S/P, АN-20S/P
Slag separation good
Deposit factor, g/A·h 12 - 16
Crack susceptibility moderate
Wire consumption, kg 1.05 - 1.2
Hardness of weld metall HRC 48 - 56

OPERATING CONDITIONS (Open arc)

Wire diameter, mm

Current, A

Voltage, V

Deposition rate, m/h

Wire stick-out, mm

1.6

150 – 230

23 – 27

8 – 15

30 – 40

2.0

180 – 280

24 – 28

10 – 18

30 – 40

2.4

220 – 320

25 – 28

13 – 20

30 – 40

2.8

260 – 380

25 – 29

14 – 22

30 – 40
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