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

JIS SUS 302 WPA

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This page is mainly introduced the SUS 302 WPA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 302 WPA,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 367~102 σb/MPa
Yield Strength 156 σ 0.2 ≥/MPa
Elongation 27 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 693~238 -
HRC 30 -

Physical Properties

Thermal expansion 99-42 e-6/K
Thermal conductivity 53-84 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5346-8645 째C
Density 6438-7722 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 WPA 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