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R20990
R20990 material is Chromium metal.
Chemical composition of R20990, R20990 mechanical properties, R20990 datasheet, R20990 equivalent grade, Heat treatment and temperature process of R20990.
R20990 property sheet
Related Materials
Chemical Composition of R20990
| C: | Max | 0.12 |
| Si: | Max | 0.30 |
| Mn: | Max | 0.80 |
| Cr: | Max | 19.00 |
| Ni: | Max | 14.00 |
| Mo: | Max | Min |
| Co: | Max | Min |
| W: | Max | Min |
| Al: | Max | Min |
| Cu: | Max | Min |
| Ti: | Max | Min |
| Fe: | Max | remaining |
| Nb: | Max | 1.60 |
Mechanical Properties of R20990
| Rp0.2 (MPa) | 354 (≥) |
| Rm (MPa) | 226 (≥) |
| AKV (J) | 34 |
| A (%) | 32 |
| Z (%) | 32 |
| Hardness | HBW 331 |
R20990 shape and dimensions
| R20990 Round bar: | 1mm-800mm |
| R20990 Square bar: | 10mm * 10mm-600mm *600mm |
| R20990 Flat bar: | Thickness:8mm-800mm Width:10mm to 1500mm |
| R20990 Sheet or Plate: | Thickness:3mm-80mm Width:1.5mm to 1500mm |
| R20990 Strip or Coil: | Thickness:0.1mm-3mm Width:1.5mm-1500mm |
| R20990 Forgings: | Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes |
©Longhai Special Steel 2024
