SUS309STP chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS309STP

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JIS SUS309STP

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This page is mainly introduced the SUS309STP chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS309STP,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SUS309STP
  • Steel Garde:SUS309STP
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:austenitic special steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 733~415 σb/MPa
Yield Strength 068 σ 0.2 ≥/MPa
Elongation 00 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 887~454 -
HRC 30 -

Physical Properties

Thermal expansion 32-12 e-6/K
Thermal conductivity 71-32 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6160-1218 째C
Density 0232-1999 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)
SUS309STP 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