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B.S. 331S40

331S40


331S40 material is B.S. BS 970-4 Specification for wrought steels for mechanical and allied engineering purposes. Valve steels Specification for wrought steels for mechanical and allied engineering purposes. Valve steels.

Chemical composition of 331S40, 331S40 mechanical properties, 331S40 datasheet, 331S40 equivalent grade, Heat treatment and temperature process of 331S40.


331S40 property sheet

331S40 Spec.

B.S. BS 970-4
Specification for wrought steels for mechanical and allied engineering purposes. Valve steels

Related Materials

331S40

Chemical Composition of 331S40

C: 0.35 0.50
Si: 1.00 2.00
Mn: 0.50 1.00
P: Max 0.040
S: Max 0.030
Cr: 12.00 15.00
Ni: 12.00 15.00
Mo: Max Min
W: 2.00 3.00

Mechanical Properties of 331S40

Rp0.2 (MPa) 724 (≥)
Rm (MPa) 312 (≥)
AKV (J) 11
A (%) 34
Z (%) 14
Hardness HBW 421

331S40 shape and dimensions

331S40 Round bar: 1mm-800mm
331S40 Square bar: 10mm * 10mm-600mm *600mm
331S40 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
331S40 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
331S40 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
331S40 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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