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St400S


St400S material is Austrian structural steel.

Chemical composition of St400S, St400S mechanical properties, St400S datasheet, St400S equivalent grade, Heat treatment and temperature process of St400S.


St400S property sheet

St400S Spec.

Related Materials

Chemical Composition of St400S

C 0.24
Si 0.4
Mn 0.40-0.70
P 0.040
S 0.04

Mechanical Properties of St400S

Rp0.2 (MPa) 871 (≥)
Rm (MPa) 811 (≥)
AKV (J) 24
A (%) 22
Z (%) 41
Hardness HBW 313

St400S shape and dimensions

St400S Round bar: 1mm-800mm
St400S Square bar: 10mm * 10mm-600mm *600mm
St400S Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
St400S Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
St400S Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
St400S Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes