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 734~035 σb/MPa
Yield Strength 903 σ 0.2 ≥/MPa
Elongation 48 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 359~357 -
HRC 30 -

Physical Properties

Thermal expansion 29-97 e-6/K
Thermal conductivity 19-34 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9308-7728 째C
Density 5515-7554 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