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 384~311 σb/MPa
Yield Strength 180 σ 0.2 ≥/MPa
Elongation 90 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 299~729 -
HRC 30 -

Physical Properties

Thermal expansion 21-75 e-6/K
Thermal conductivity 95-99 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3402-3784 째C
Density 3157-7031 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