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ISO 9001:2008R&D Production
In ChinaSTR616 material is KS D 3731 (2002) Heat - resisting steel bars Heat - resisting steel bars.
Chemical composition of STR616, STR616 mechanical properties, STR616 datasheet, STR616 equivalent grade, Heat treatment and temperature process of STR616.
| STR616 |
| C: | 0.20 | 0.25 |
| Si: | Max | 0.50 |
| Mn: | 0.50 | 1.00 |
| P: | Max | 0.04 |
| S: | Max | 0.03 |
| Cr: | 11.00 | 13.00 |
| Ni: | 0.50 | 1.00 |
| Mo: | 0.75 | 1.25 |
| N: | Max | Min |
| Cu: | Max | 0.30 |
| W: | 0.75 | 1.25 |
| V: | 0.20 | 0.30 |
| Rp0.2 (MPa) | 522 (≥) |
| Rm (MPa) | 552 (≥) |
| AKV (J) | 41 |
| A (%) | 41 |
| Z (%) | 23 |
| Hardness | HBW 211 |
| STR616 Round bar: | 1mm-800mm |
| STR616 Square bar: | 10mm * 10mm-600mm *600mm |
| STR616 Flat bar: | Thickness:8mm-800mm Width:10mm to 1500mm |
| STR616 Sheet or Plate: | Thickness:3mm-80mm Width:1.5mm to 1500mm |
| STR616 Strip or Coil: | Thickness:0.1mm-3mm Width:1.5mm-1500mm |
| STR616 Forgings: | Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes |