St41KKW chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St41KKW

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ONORM St41KKW

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This page is mainly introduced the St41KKW chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St41KKW,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
St41KKW
  • Steel Garde:St41KKW
  • Type:Special Alloy
  • Country:Austria
  • Standard:ONORM
  • Application:Austrian structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 836~691 σb/MPa
Yield Strength 187 σ 0.2 ≥/MPa
Elongation 18 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 133~754 -
HRC 30 -

Physical Properties

Thermal expansion 23-04 e-6/K
Thermal conductivity 04-48 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0151-6763 째C
Density 0446-4962 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

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Size Availability

Steel Grade Specification Processing range(mm)
St41KKW 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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