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 890~325 σb/MPa
Yield Strength 441 σ 0.2 ≥/MPa
Elongation 40 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 965~234 -
HRC 30 -

Physical Properties

Thermal expansion 62-98 e-6/K
Thermal conductivity 71-87 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3696-6125 째C
Density 9745-1004 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

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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