Surfacing
PP-Np-20H4
Flux-cored wire for open-arc and submerged-arc hardfacing of parts exposed to thermal fatigue and high relative pressure.
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Additional Information
| Diameter, mm | 3.0 - 4.0 |
| Curent type / Shielding | DC+ / Open arc, flux |
| Working conditions | Thermal fatigue and high relative pressure |
| Applications |
Hardfacing of metall hot-cutting blades, stamping and pressing tools, mill rolls, etc. |
| Recommended flux | EFA-1, АN-26S/P, АN-20S/P |
| Slag separation | good |
| Deposit factor, g/A·h | 10 - 15 |
| Crack susceptibility | moderate |
| Wire consumption, kg | 1.3 |
| Hardness of weld metall | HRC 46 - 52 |
OPERATING CONDITIONS (submerged arc)
|
Wire diameter, mm |
Current, A |
Voltage, V |
Deposition rate, m/h |
|
3.0 |
300 – 400 |
26 – 30 |
25 – 40 |
|
3.2 |
340 – 440 |
27 – 31 |
25 – 40 |
|
3.6 |
360 – 460 |
28 – 32 |
25 – 40 |
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