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 511~760 σb/MPa
Yield Strength 181 σ 0.2 ≥/MPa
Elongation 62 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 101~074 -
HRC 30 -

Physical Properties

Thermal expansion 35-87 e-6/K
Thermal conductivity 00-60 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2047-8160 째C
Density 8667-9950 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