High quality special steel supplier.Old rev.
  • Certified Company

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

401S45


401S45 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 401S45, 401S45 mechanical properties, 401S45 datasheet, 401S45 equivalent grade, Heat treatment and temperature process of 401S45.


401S45 property sheet

401S45 Spec.

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

Related Materials

401S45

Chemical Composition of 401S45

C: 0.40 0.50
Si: 3.00 3.75
Mn: 0.30 0.75
P: Max 0.040
S: Max 0.030
Cr: 7.50 9.50
Ni: Max 0.50
Mo: Max Min

Mechanical Properties of 401S45

Rp0.2 (MPa) 594 (≥)
Rm (MPa) 989 (≥)
AKV (J) 21
A (%) 41
Z (%) 43
Hardness HBW 432

401S45 shape and dimensions

401S45 Round bar: 1mm-800mm
401S45 Square bar: 10mm * 10mm-600mm *600mm
401S45 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
401S45 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
401S45 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
401S45 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes