21MoMnCr12X chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 21MoMnCr12X

STAS/SR 21MoMnCr12X

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This page is mainly introduced the 21MoMnCr12X chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 21MoMnCr12X,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
21MoMnCr12X
  • Steel Garde:21MoMnCr12X
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Alloy structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 595~518 σb/MPa
Yield Strength 265 σ 0.2 ≥/MPa
Elongation 39 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 983~542 -
HRC 30 -

Physical Properties

Thermal expansion 52-24 e-6/K
Thermal conductivity 29-36 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7488-7310 째C
Density 3093-2498 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)
21MoMnCr12X 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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