STS347 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS347

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KS STS347

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This page is mainly introduced the STS347 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS347,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
STS347
  • Steel Garde:STS347
  • Type:Special Alloy
  • Country:Korea
  • Standard:KS
  • Application:Austenitic Steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
STS347 KS Korea
STS347TKA KS Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 394~432 σb/MPa
Yield Strength 284 σ 0.2 ≥/MPa
Elongation 05 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 232~253 -
HRC 30 -

Physical Properties

Thermal expansion 05-30 e-6/K
Thermal conductivity 76-73 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5353-2392 째C
Density 0692-5916 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)
STS347 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