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

CNS Austenitic 31

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This page is mainly introduced the Austenitic 31 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Austenitic 31,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
CNS standard heat resistant steel bars(CNS 9608-1998)
  • Steel Garde:Austenitic 31
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:CNS standard heat resistant steel bars(CNS 9608-1998)

Cross Reference Table(Equivalent Materials):

Material Standard Country
Austenitic 310 CNS China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 245~135 σb/MPa
Yield Strength 552 σ 0.2 ≥/MPa
Elongation 09 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 901~007 -
HRC 30 -

Physical Properties

Thermal expansion 02-97 e-6/K
Thermal conductivity 36-24 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1718-6545 째C
Density 9380-5456 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)
Austenitic 31 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