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ISO 9001:2008R&D Production
In ChinaK31820 material is Alloy Steel (HY80).
Chemical composition of K31820, K31820 mechanical properties, K31820 datasheet, K31820 equivalent grade, Heat treatment and temperature process of K31820.
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) | 554 (≥) |
Rm (MPa) | 925 (≥) |
AKV (J) | 23 |
A (%) | 41 |
Z (%) | 34 |
Hardness | HBW 331 |
K31820 Round bar: | 1mm-800mm |
K31820 Square bar: | 10mm * 10mm-600mm *600mm |
K31820 Flat bar: | Thickness:8mm-800mm Width:10mm to 1500mm |
K31820 Sheet or Plate: | Thickness:3mm-80mm Width:1.5mm to 1500mm |
K31820 Strip or Coil: | Thickness:0.1mm-3mm Width:1.5mm-1500mm |
K31820 Forgings: | Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes |