STKM14A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STKM14A

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CNS STKM14A

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This page is mainly introduced the STKM14A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STKM14A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
STKM14A
  • Steel Garde:STKM14A
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 014~746 σb/MPa
Yield Strength 802 σ 0.2 ≥/MPa
Elongation 60 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 181~612 -
HRC 30 -

Physical Properties

Thermal expansion 75-81 e-6/K
Thermal conductivity 55-21 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0920-5900 째C
Density 5212-0537 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)
STKM14A 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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