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

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

443S65


443S65 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 443S65, 443S65 mechanical properties, 443S65 datasheet, 443S65 equivalent grade, Heat treatment and temperature process of 443S65.


443S65 property sheet

443S65 Spec.

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

Related Materials

443S65

Chemical Composition of 443S65

C: 0.75 0.85
Si: 1.75 2.25
Mn: 0.30 0.75
P: Max 0.040
S: Max 0.030
Cr: 19.00 21.00
Ni: 1.20 1.70
Mo: Max Min

Mechanical Properties of 443S65

Rp0.2 (MPa) 518 (≥)
Rm (MPa) 121 (≥)
AKV (J) 22
A (%) 24
Z (%) 11
Hardness HBW 342

443S65 shape and dimensions

443S65 Round bar: 1mm-800mm
443S65 Square bar: 10mm * 10mm-600mm *600mm
443S65 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
443S65 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
443S65 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
443S65 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes