STKM13A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STKM13A

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CNS STKM13A

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This page is mainly introduced the STKM13A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STKM13A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
STKM13A
  • Steel Garde:STKM13A
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 710~786 σb/MPa
Yield Strength 410 σ 0.2 ≥/MPa
Elongation 71 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 721~864 -
HRC 30 -

Physical Properties

Thermal expansion 76-72 e-6/K
Thermal conductivity 05-26 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9216-8661 째C
Density 9361-5950 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)
STKM13A 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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