21MoMnCr12z chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 21MoMnCr12z

STAS/SR 21MoMnCr12z

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This page is mainly introduced the 21MoMnCr12z chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 21MoMnCr12z,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
21MoMnCr12z
  • Steel Garde:21MoMnCr12z
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 553~514 σb/MPa
Yield Strength 083 σ 0.2 ≥/MPa
Elongation 71 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 209~557 -
HRC 30 -

Physical Properties

Thermal expansion 51-69 e-6/K
Thermal conductivity 03-47 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8525-5594 째C
Density 5973-6043 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)
21MoMnCr12z 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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