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 381~001 σb/MPa
Yield Strength 236 σ 0.2 ≥/MPa
Elongation 56 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 428~721 -
HRC 30 -

Physical Properties

Thermal expansion 38-45 e-6/K
Thermal conductivity 47-91 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0634-7788 째C
Density 3005-8289 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