STKM12C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STKM12C

Location » Home » Grades > Special Alloy > STKM12C

CNS STKM12C

Profile

This page is mainly introduced the STKM12C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STKM12C,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
STKM12C
  • Steel Garde:STKM12C
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 628~606 σb/MPa
Yield Strength 244 σ 0.2 ≥/MPa
Elongation 30 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 944~555 -
HRC 30 -

Physical Properties

Thermal expansion 45-63 e-6/K
Thermal conductivity 70-01 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3166-0258 째C
Density 6260-9529 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)
STKM12C 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

Hot keywords:STKM12C
Previous: STKM12B
Next: STKM13A