21 MoMnCr 12XS chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 21 MoMnCr 12XS

STAS/SR 21 MoMnCr 12XS

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This page is mainly introduced the 21 MoMnCr 12XS chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 21 MoMnCr 12XS,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
21 MoMnCr 12XS
  • Steel Garde:21 MoMnCr 12XS
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Alloy structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 946~363 σb/MPa
Yield Strength 163 σ 0.2 ≥/MPa
Elongation 82 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 189~069 -
HRC 30 -

Physical Properties

Thermal expansion 79-38 e-6/K
Thermal conductivity 97-61 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2144-1164 째C
Density 3954-0877 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)
21 MoMnCr 12XS 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