KSUS309S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of KSUS309S

NKK KSUS309S

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This page is mainly introduced the KSUS309S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of KSUS309S,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Rolled Stainless Steels

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 633~285 σb/MPa
Yield Strength 965 σ 0.2 ≥/MPa
Elongation 61 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 645~191 -
HRC 30 -

Physical Properties

Thermal expansion 56-81 e-6/K
Thermal conductivity 28-89 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9354-8746 째C
Density 4355-6474 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)
KSUS309S 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