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ISO 9001:2008R&D Production
In ChinaX50CrMnNiNbN21-9 material is ISO ISO 683-15 (1992) Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines.
Chemical composition of X50CrMnNiNbN21-9, X50CrMnNiNbN21-9 mechanical properties, X50CrMnNiNbN21-9 datasheet, X50CrMnNiNbN21-9 equivalent grade, Heat treatment and temperature process of X50CrMnNiNbN21-9.
| ISO ISO 683-15 (1992) Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines |
| X50CrMnNiNbN21-9 |
| 1.4882 |
| X50CrMnNiNbN21-9 |
| C: | 0.45 | 0.55 |
| Si: | Max | 0.45 |
| Mn: | 8.00 | 10.00 |
| P: | Max | 0.050 |
| S: | Max | 0.030 |
| Cr: | 20.00 | 22.00 |
| Mo: | Max | Min |
| Ni: | 3.50 | 5.50 |
| W: | 0.80 | 1.50 |
| Nb+Ta: | 1.80 | 2.50 |
| N: | 0.40 | 0.60 |
| Rp0.2 (MPa) | 776 (≥) |
| Rm (MPa) | 339 (≥) |
| AKV (J) | 42 |
| A (%) | 24 |
| Z (%) | 12 |
| Hardness | HBW 234 |
| X50CrMnNiNbN21-9 Round bar: | 1mm-800mm |
| X50CrMnNiNbN21-9 Square bar: | 10mm * 10mm-600mm *600mm |
| X50CrMnNiNbN21-9 Flat bar: | Thickness:8mm-800mm Width:10mm to 1500mm |
| X50CrMnNiNbN21-9 Sheet or Plate: | Thickness:3mm-80mm Width:1.5mm to 1500mm |
| X50CrMnNiNbN21-9 Strip or Coil: | Thickness:0.1mm-3mm Width:1.5mm-1500mm |
| X50CrMnNiNbN21-9 Forgings: | Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes |