STR38 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STR38

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KS STR38

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This page is mainly introduced the STR38 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STR38,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
KS standard austenitic heat resistant steel
  • Steel Garde:STR38
  • Type:Special Alloy
  • Country:Korea
  • Standard:KS
  • Application:KS standard austenitic heat resistant steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 735~543 σb/MPa
Yield Strength 885 σ 0.2 ≥/MPa
Elongation 47 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 918~973 -
HRC 30 -

Physical Properties

Thermal expansion 66-69 e-6/K
Thermal conductivity 54-84 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8202-1048 째C
Density 7781-1367 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)
STR38 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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