SUS 302 WPB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 302 WPB

JIS SUS 302 WPB

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This page is mainly introduced the SUS 302 WPB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 302 WPB,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel wires for springs

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.15
Si   1.00
Mn   2.00
P   0.045
S   0.03
Cr 17.00  19.00
Ni 8.00  10.00
Mo  
N  

Mechanical Properties

Tensile strength 922~763 σb/MPa
Yield Strength 836 σ 0.2 ≥/MPa
Elongation 48 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 066~882 -
HRC 30 -

Physical Properties

Thermal expansion 65-48 e-6/K
Thermal conductivity 83-45 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9569-0617 째C
Density 9909-5761 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)
SUS 302 WPB 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