STKM11A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STKM11A

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CNS STKM11A

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This page is mainly introduced the STKM11A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STKM11A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
STKM11A
  • Steel Garde:STKM11A
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 649~829 σb/MPa
Yield Strength 645 σ 0.2 ≥/MPa
Elongation 09 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 333~237 -
HRC 30 -

Physical Properties

Thermal expansion 23-69 e-6/K
Thermal conductivity 80-92 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3624-1131 째C
Density 3698-2050 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)
STKM11A 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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