St03FK50 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St03FK50

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ONORM St03FK50

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This page is mainly introduced the St03FK50 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St03FK50,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
St03FK50
  • Steel Garde:St03FK50
  • Type:Special Alloy
  • Country:Austria
  • Standard:ONORM
  • Application:Austrian structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 689~560 σb/MPa
Yield Strength 533 σ 0.2 ≥/MPa
Elongation 69 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 983~769 -
HRC 30 -

Physical Properties

Thermal expansion 98-88 e-6/K
Thermal conductivity 16-21 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7587-0342 째C
Density 6630-6579 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)
St03FK50 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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