31MnCrSi11X chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 31MnCrSi11X

STAS/SR 31MnCrSi11X

Profile

This page is mainly introduced the 31MnCrSi11X chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 31MnCrSi11X,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
31MnCrSi11X
  • Steel Garde:31MnCrSi11X
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Alloy structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
31MnCrSi11XS STAS/SR Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 359~231 σb/MPa
Yield Strength 879 σ 0.2 ≥/MPa
Elongation 85 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 755~873 -
HRC 30 -

Physical Properties

Thermal expansion 68-24 e-6/K
Thermal conductivity 28-98 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2858-2953 째C
Density 6544-3467 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)
31MnCrSi11X 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