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 830~736 σb/MPa
Yield Strength 111 σ 0.2 ≥/MPa
Elongation 01 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 933~379 -
HRC 30 -

Physical Properties

Thermal expansion 25-16 e-6/K
Thermal conductivity 43-21 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7966-0462 째C
Density 1992-1467 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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