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

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

SN400B


SN400B material is China Taiwan Structural steel.

Chemical composition of SN400B, SN400B mechanical properties, SN400B datasheet, SN400B equivalent grade, Heat treatment and temperature process of SN400B.


SN400B property sheet

SN400B Spec.

Related Materials

Chemical Composition of SN400B

C 0.20
Si 0.35
Mn 0.60-1.40
P 0.03
S 0.015
other CE Max 0.36

Mechanical Properties of SN400B

Rp0.2 (MPa) 352 (≥)
Rm (MPa) 499 (≥)
AKV (J) 11
A (%) 42
Z (%) 11
Hardness HBW 224

SN400B shape and dimensions

SN400B Round bar: 1mm-800mm
SN400B Square bar: 10mm * 10mm-600mm *600mm
SN400B Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
SN400B Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
SN400B Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
SN400B Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes