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STS31


STS31 material is Carbide for cutting tools.

Chemical composition of STS31, STS31 mechanical properties, STS31 datasheet, STS31 equivalent grade, Heat treatment and temperature process of STS31.


STS31 property sheet

STS31 Spec.

Chemical Composition of STS31

C 0.95-1.05
Si ≤0.35
Mn 0.90-1.20
Cr 0.80-1.20

Mechanical Properties of STS31

Rp0.2 (MPa) 645 (≥)
Rm (MPa) 587 (≥)
AKV (J) 12
A (%) 22
Z (%) 42
Hardness HBW 121

STS31 shape and dimensions

STS31 Round bar: 1mm-800mm
STS31 Square bar: 10mm * 10mm-600mm *600mm
STS31 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STS31 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STS31 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STS31 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes