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 867~527 σb/MPa
Yield Strength 823 σ 0.2 ≥/MPa
Elongation 47 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 104~383 -
HRC 30 -

Physical Properties

Thermal expansion 31-52 e-6/K
Thermal conductivity 40-65 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6278-5550 째C
Density 9998-9367 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