Surfacing

PP-Np-50H3ST (Np-50Cr3SiTi)

Flux-cored wire for open-arc hardfacing of parts exposed to metal-to-metal friction and abrasive wear.

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Additional Information

Diameter, mm	1.2 - 4.0
Curent type / Shielding	DC+ / Open arc
Working conditions	Metal-to-metal friction and abrasive wear
Applications	Hardfacing of tractor and excavator road wheels, conveyor parts, multi-bucket excavator chain drum teeth, roller table rollers, etc.

Weld formation	good
Slag separation	good
Deposit factor, g/A·h	12 - 16
Crack susceptibility	moderate
Wire consumption, kg	1.1 - 1.2
Hardness (3-layer deposit on mild steel)	HRC 44 - 51

OPERATING CONDITIONS

Wire diameter, mm	Current, A	Voltage, V	Deposition rate, m/h	Wire stick-out, mm
1.6	140 – 220	24 – 25	10 – 14	30 – 40
2.0	180 – 260	25 – 26	12 – 17	30 – 40
2.4	220 – 300	26 – 27	15 – 19	30 – 40
2.8	260 – 350	26 – 28	18 – 22	30 – 40
3.0	280 – 380	27 – 28	19 – 23	35 – 40

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PP-Np-50H3ST (Np-50Cr3SiTi)

Current, A

Voltage, V