P20+Ni is updated version of plastic mold steel 0f 2311, which ordinarily supply in Pre hardened condition. Hardness in as supplied condition 280-320 HB.
The extra nickel substance of 1 % increments through hardening. It is smaller scale alloyed. It has great machinability, appropriate for texturing, outstanding polishability, satisfactory consumption resistance,vacuum-degassed steel with the following excellent features.
| Element | Min | Max |
|---|---|---|
| Carbon, C | 0.35 | 0.45 |
| Manganese, Mn | 1.30 | 0.60 |
| Silicon, Si | 1.20 | 0.40 |
| Molybdenum, Mo | 0.80 | 0.25 |
| Chromium, Cr | 0.90 | 2.10 |
| Nickel, Ni | — | 1.0 |