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ISO 9001:2008R&D Production
In ChinaA 1031 Grade 8740 material is SAE A 1031/A1031M (2012) Steel, Sheet and Strip, Heavy-Thickness Coils, Alloy, Drawing Steel and Structural Steel, Hot-Rolled Steel, Sheet and Strip, Heavy-Thickness Coils, Alloy, Drawing Steel and Structural Steel, Hot-Rolled.
Chemical composition of A 1031 Grade 8740, A 1031 Grade 8740 mechanical properties, A 1031 Grade 8740 datasheet, A 1031 Grade 8740 equivalent grade, Heat treatment and temperature process of A 1031 Grade 8740.
| SAE A 1031/A1031M (2012) Steel, Sheet and Strip, Heavy-Thickness Coils, Alloy, Drawing Steel and Structural Steel, Hot-Rolled |
| C: | Max | 0.08 |
| Si: | Max | 1.00 |
| Mn: | Max | 2.00 |
| P: | Max | 0.045 |
| S: | Max | 0.03 |
| Ni: | 13.00 | 15.00 |
| Cr: | 17.00 | 19.00 |
| Al: | Max | Min |
| Cu: | Max | Min |
| Ti: | Max | Min |
| Fe: | Max | Min |
| N: | Max | Min |
| Mo: | 1.75 | 2.75 |
| V: | Max | Min |
| Rp0.2 (MPa) | 672 (≥) |
| Rm (MPa) | 756 (≥) |
| AKV (J) | 43 |
| A (%) | 24 |
| Z (%) | 34 |
| Hardness | HBW 213 |
| A 1031 Grade 8740 Round bar: | 1mm-800mm |
| A 1031 Grade 8740 Square bar: | 10mm * 10mm-600mm *600mm |
| A 1031 Grade 8740 Flat bar: | Thickness:8mm-800mm Width:10mm to 1500mm |
| A 1031 Grade 8740 Sheet or Plate: | Thickness:3mm-80mm Width:1.5mm to 1500mm |
| A 1031 Grade 8740 Strip or Coil: | Thickness:0.1mm-3mm Width:1.5mm-1500mm |
| A 1031 Grade 8740 Forgings: | Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes |