STS304J3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS304J3

KS STS304J3

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This page is mainly introduced the STS304J3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS304J3,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
STS304J3WSA KS Korea
STS304J3WSB KS Korea

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.08
Si   1.00
Mn   2.00
P   0.045
S   0.030
Cr 17.00  19.00
Ni 8.00  10.50
Mo  
N  
Cu 1.00  3.00

Mechanical Properties

Tensile strength 259~371 σb/MPa
Yield Strength 020 σ 0.2 ≥/MPa
Elongation 97 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 133~620 -
HRC 30 -

Physical Properties

Thermal expansion 12-12 e-6/K
Thermal conductivity 66-58 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2298-7199 째C
Density 4566-8844 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)
STS304J3 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