STS403 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS403

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KS STS403

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This page is mainly introduced the STS403 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS403,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
STS403FB KS Korea
STS403WSB KS Korea

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.15
Si   0.50
Mn   1.00
P   0.040
S   0.030
Cr 11.50  13.00
Ni   0.60
Mo  
N  

Mechanical Properties

Tensile strength 137~870 σb/MPa
Yield Strength 324 σ 0.2 ≥/MPa
Elongation 13 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 655~308 -
HRC 30 -

Physical Properties

Thermal expansion 81-35 e-6/K
Thermal conductivity 12-82 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3394-6141 째C
Density 9327-3906 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)
STS403 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