St42F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St42F

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ONORM St42F

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This page is mainly introduced the St42F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St42F,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
St42F
  • Steel Garde:St42F
  • Type:Special Alloy
  • Country:Austria
  • Standard:ONORM
  • Application:Austrian structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 875~218 σb/MPa
Yield Strength 131 σ 0.2 ≥/MPa
Elongation 76 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 503~759 -
HRC 30 -

Physical Properties

Thermal expansion 69-77 e-6/K
Thermal conductivity 31-85 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9421-5505 째C
Density 1138-6838 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)
St42F 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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