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

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

410S21 770


410S21 770 material is B.S. BS 1506 Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications.

Chemical composition of 410S21 770, 410S21 770 mechanical properties, 410S21 770 datasheet, 410S21 770 equivalent grade, Heat treatment and temperature process of 410S21 770.


410S21 770 property sheet

410S21 770 Spec.

B.S. BS 1506
Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications

Chemical Composition of 410S21 770

C: 0.09 0.15
Si: Max 1.00
Mn: Max 1.00
P: Max 0.04
S: Max 0.03
Cr: 11.50 13.50
Mo: Max Min
Ni: Max 1.00

Mechanical Properties of 410S21 770

Rp0.2 (MPa) 297 (≥)
Rm (MPa) 971 (≥)
AKV (J) 33
A (%) 11
Z (%) 23
Hardness HBW 222

410S21 770 shape and dimensions

410S21 770 Round bar: 1mm-800mm
410S21 770 Square bar: 10mm * 10mm-600mm *600mm
410S21 770 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
410S21 770 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
410S21 770 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
410S21 770 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes