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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) | 146 (≥) |
Rm (MPa) | 522 (≥) |
AKV (J) | 41 |
A (%) | 33 |
Z (%) | 21 |
Hardness | HBW 342 |
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 |