St41KK chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St41KK

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ONORM St41KK

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This page is mainly introduced the St41KK chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St41KK,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
St41KK
  • Steel Garde:St41KK
  • Type:Special Alloy
  • Country:Austria
  • Standard:ONORM
  • Application:Austrian structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
St41KKW ONORM Austria

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 914~842 σb/MPa
Yield Strength 945 σ 0.2 ≥/MPa
Elongation 31 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 796~932 -
HRC 30 -

Physical Properties

Thermal expansion 30-47 e-6/K
Thermal conductivity 32-75 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0150-4263 째C
Density 9605-9474 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)
St41KK 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