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JIS SKS31

SKS31


SKS31 material is Cold Work Die Steel.

Chemical composition of SKS31, SKS31 mechanical properties, SKS31 datasheet, SKS31 equivalent grade, Heat treatment and temperature process of SKS31.


SKS31 property sheet

SKS31 Spec.

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Chemical Composition of SKS31

C 0.95-1.05
Si Max 0.35
Mn 0.90-1.20
P Max 0.030
S Max 0.030
Cr 0.80-1.20
W 0.50-1.00

Mechanical Properties of SKS31

Rp0.2 (MPa) 545 (≥)
Rm (MPa) 464 (≥)
AKV (J) 22
A (%) 44
Z (%) 24
Hardness HBW 212

SKS31 shape and dimensions

SKS31 Round bar: 1mm-800mm
SKS31 Square bar: 10mm * 10mm-600mm *600mm
SKS31 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
SKS31 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
SKS31 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
SKS31 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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