21MoMnCr12q chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 21MoMnCr12q

STAS/SR 21MoMnCr12q

Profile

This page is mainly introduced the 21MoMnCr12q chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 21MoMnCr12q,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
21MoMnCr12q
  • Steel Garde:21MoMnCr12q
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Alloy structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
21MoMnCr12q STAS/SR Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 263~392 σb/MPa
Yield Strength 851 σ 0.2 ≥/MPa
Elongation 50 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 373~902 -
HRC 30 -

Physical Properties

Thermal expansion 91-33 e-6/K
Thermal conductivity 04-53 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0976-0522 째C
Density 6121-7514 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)
21MoMnCr12q 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