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 619~312 σb/MPa
Yield Strength 108 σ 0.2 ≥/MPa
Elongation 45 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 807~405 -
HRC 30 -

Physical Properties

Thermal expansion 20-20 e-6/K
Thermal conductivity 57-96 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0165-2940 째C
Density 8205-6478 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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