QSt370S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of QSt370S

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ONORM QSt370S

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This page is mainly introduced the QSt370S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of QSt370S,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
QSt370S
  • Steel Garde:QSt370S
  • Type:Special Alloy
  • Country:Austria
  • Standard:ONORM
  • Application:Austrian structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 874~269 σb/MPa
Yield Strength 933 σ 0.2 ≥/MPa
Elongation 48 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 442~044 -
HRC 30 -

Physical Properties

Thermal expansion 25-83 e-6/K
Thermal conductivity 28-30 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4595-5806 째C
Density 6447-2295 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)
QSt370S 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

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