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 317~822 σb/MPa
Yield Strength 632 σ 0.2 ≥/MPa
Elongation 08 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 649~547 -
HRC 30 -

Physical Properties

Thermal expansion 17-36 e-6/K
Thermal conductivity 07-30 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8749-5529 째C
Density 0774-5752 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)
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