St03F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St03F

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ONORM St03F

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This page is mainly introduced the St03F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St03F,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
St03F
  • Steel Garde:St03F
  • Type:Special Alloy
  • Country:Austria
  • Standard:ONORM
  • Application:Austrian structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
St03FK32 ONORM Austria
St03FK4a ONORM Austria
St03FK50 ONORM Austria
St03FK60 ONORM Austria
St03FK70 ONORM Austria

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 092~259 σb/MPa
Yield Strength 791 σ 0.2 ≥/MPa
Elongation 45 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 231~980 -
HRC 30 -

Physical Properties

Thermal expansion 62-21 e-6/K
Thermal conductivity 69-19 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7407-6011 째C
Density 3331-8428 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)
St03F 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