SUS 309S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 309S

JIS SUS 309S

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This page is mainly introduced the SUS 309S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 309S,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Hot-rolled stainless steel plates, sheet and strip
  • Steel Garde:SUS 309S
  • Type:Stainless Steels
  • Country:Japan
  • Standard:JIS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 G 4305 (2012) Cold-rolled stainless steel plate, sheet and strip
  • Metallographic Structure:Austenite
  • Application:Cold-rolled stainless steel plate, sheet and strip

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.08
Si   1.00
Mn   2.00
P   0.045
S   0.03
Cr 22.00  24.00
Ni 12.00  15.00
Mo  
N  

Mechanical Properties

Tensile strength 029~374 σb/MPa
Yield Strength 051 σ 0.2 ≥/MPa
Elongation 47 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 428~972 -
HRC 30 -

Physical Properties

Thermal expansion 49-67 e-6/K
Thermal conductivity 44-72 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9925-6765 째C
Density 4496-3414 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)
SUS 309S Stainless Steels 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