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301S81


301S81 material is B.S. BS 2056 Specification for stainless steel wire for mechanical springs Specification for stainless steel wire for mechanical springs.

Chemical composition of 301S81, 301S81 mechanical properties, 301S81 datasheet, 301S81 equivalent grade, Heat treatment and temperature process of 301S81.


301S81 property sheet

301S81 Spec.

B.S. BS 2056
Specification for stainless steel wire for mechanical springs

Related Materials

301S81

Chemical Composition of 301S81

C: Max 0.09
Si: Max 1.00
Mn: Max 1.00
P: Max 0.045
S: Max 0.030
Cr: 16.00 18.00
Mo: Max Min
Ni: 6.50 7.75
Al: 0.75 1.50

Mechanical Properties of 301S81

Rp0.2 (MPa) 919 (≥)
Rm (MPa) 199 (≥)
AKV (J) 22
A (%) 14
Z (%) 23
Hardness HBW 243

301S81 shape and dimensions

301S81 Round bar: 1mm-800mm
301S81 Square bar: 10mm * 10mm-600mm *600mm
301S81 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
301S81 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
301S81 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
301S81 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes