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K31820


K31820 material is Alloy Steel (HY80).

Chemical composition of K31820, K31820 mechanical properties, K31820 datasheet, K31820 equivalent grade, Heat treatment and temperature process of K31820.


K31820 property sheet

K31820 Spec.

Chemical Composition 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

Mechanical Properties of K31820

Rp0.2 (MPa) 433 (≥)
Rm (MPa) 222 (≥)
AKV (J) 14
A (%) 33
Z (%) 32
Hardness HBW 114

K31820 shape and dimensions

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