St04F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St04F

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ONORM St04F

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This page is mainly introduced the St04F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St04F,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
St04F
  • Steel Garde:St04F
  • Type:Special Alloy
  • Country:Austria
  • Standard:ONORM
  • Application:Austrian structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 550~766 σb/MPa
Yield Strength 425 σ 0.2 ≥/MPa
Elongation 82 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 216~024 -
HRC 30 -

Physical Properties

Thermal expansion 19-60 e-6/K
Thermal conductivity 75-24 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8966-3499 째C
Density 3135-0521 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)
St04F 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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