20MnCr12X chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20MnCr12X

Location » Home » Grades > Special Alloy > 20MnCr12X

STAS/SR 20MnCr12X

Profile

This page is mainly introduced the 20MnCr12X chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20MnCr12X,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
20MnCr12X
  • Steel Garde:20MnCr12X
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Alloy structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
20MnCr12XS STAS/SR Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 507~857 σb/MPa
Yield Strength 346 σ 0.2 ≥/MPa
Elongation 20 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 835~816 -
HRC 30 -

Physical Properties

Thermal expansion 45-96 e-6/K
Thermal conductivity 50-04 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8244-5033 째C
Density 1214-8924 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)
20MnCr12X 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