Austenitic 38 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Austenitic 38

CNS Austenitic 38

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This page is mainly introduced the Austenitic 38 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Austenitic 38,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 38
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:CNS standard heat resistant steel bars(CNS 9608-1998)

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 686~159 σb/MPa
Yield Strength 638 σ 0.2 ≥/MPa
Elongation 95 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 748~247 -
HRC 30 -

Physical Properties

Thermal expansion 15-32 e-6/K
Thermal conductivity 96-74 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9776-1702 째C
Density 7441-9128 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 38 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

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