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In ChinaK92890 material is Structural and constructional steels.
Chemical composition of K92890, K92890 mechanical properties, K92890 datasheet, K92890 equivalent grade, Heat treatment and temperature process of K92890.
| Maraging Steel 250 / C250 |
| K92890 |
| 1.6359 |
| C250, 250, UNS K92890, 1.6359, Alloy 250 |
| C: | Max | 0.03 |
| Ni: | 17.00 | 19.00 |
| Co: | 7.00 | 8.50 |
| Mn: | Max | 0.10 |
| Si: | Max | 0.10 |
| Al: | 0.05 | 0.15 |
| Mo: | 4.60 | 5.20 |
| S: | Max | 0.010 |
| P: | Max | 0.010 |
| Ti: | 0.30 | 0.50 |
| Fe: | Max | Bal |
| Cr: | Max | 0.50 |
| Cu: | Max | 0.50 |
| Rp0.2 (MPa) | 195 (≥) |
| Rm (MPa) | 466 (≥) |
| AKV (J) | 12 |
| A (%) | 13 |
| Z (%) | 42 |
| Hardness | HBW 334 |
| K92890 Round bar: | 1mm-800mm |
| K92890 Square bar: | 10mm * 10mm-600mm *600mm |
| K92890 Flat bar: | Thickness:8mm-800mm Width:10mm to 1500mm |
| K92890 Sheet or Plate: | Thickness:3mm-80mm Width:1.5mm to 1500mm |
| K92890 Strip or Coil: | Thickness:0.1mm-3mm Width:1.5mm-1500mm |
| K92890 Forgings: | Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes |