St400S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St400S

Location » Home » Grades > Special Alloy > St400S

ONORM St400S

Profile

This page is mainly introduced the St400S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St400S,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
St400S
  • Steel Garde:St400S
  • Type:Special Alloy
  • Country:Austria
  • Standard:ONORM
  • Application:Austrian structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 414~152 σb/MPa
Yield Strength 199 σ 0.2 ≥/MPa
Elongation 65 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 006~707 -
HRC 30 -

Physical Properties

Thermal expansion 09-75 e-6/K
Thermal conductivity 53-26 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0745-1377 째C
Density 2868-8034 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
St400S Special Alloy Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download

Hot keywords:St400S
Previous: QSt370S
Next: St500S