STS305 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS305

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KS STS305

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This page is mainly introduced the STS305 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS305,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel bars

Cross Reference Table(Equivalent Materials):

Material Standard Country
STS305J1WSA KS Korea
STS305J1WSB KS Korea
STS305WSA KS Korea
STS305WSB KS Korea
STS305J1 KS Korea
STS305J1WSB KS Korea

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.12
Si   1.00
Mn   2.00
P   0.045
S   0.030
Cr 17.00  19.00
Ni 10.50  13.00
Mo  
N  

Mechanical Properties

Tensile strength 781~831 σb/MPa
Yield Strength 146 σ 0.2 ≥/MPa
Elongation 05 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 214~317 -
HRC 30 -

Physical Properties

Thermal expansion 66-22 e-6/K
Thermal conductivity 43-83 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6566-4876 째C
Density 7441-0147 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)
STS305 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