Surfacing

PP-Np-15

Hardfacing and repair of damaged parts exposed to heavy contact loads.

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Additional Information

Diameter, mm	1.6 - 4.0
Curent type / Shielding	DC+ / Open arc
Working conditions	Metal-to-metal friction
Applications	Hardfacing of damaged and worn rail track sections, tram rails and other parts exposed to heavy contact loads.

Weld formation	good
Slag separation	good
Deposit factor, g/A·h	10 - 20
Crack susceptibility	low
Wire consumption per, kg	1.1 - 1.2
Hardness (3-layer deposit on mild steel)	HRC 30 - 40

OPERATING CONDITIONS

Wire diameter, mm	Current, A	Voltage, V	Deposition rate, m/h	Wire stick-out, mm
1.6	140 – 250	24 – 27	10 – 15	30 – 40
2.0	180 – 280	24 – 28	15 – 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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PP-Np-15

Current, A

Voltage, V