SUS 303 Cu chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 303 Cu

JIS SUS 303 Cu

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This page is mainly introduced the SUS 303 Cu chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 303 Cu,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Cold finished stainless steel bars

Cross Reference Table(Equivalent Materials):

Material Standard Country
SUS 303 Cu JIS Japan
SUS 303 Cu JIS Japan
SUS 303 Cu JIS Japan

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.15
Si   1.00
Mn   3.00
P   0.20
S   0.15
Cr 17.00  19.00
Ni 8.00  10.00
Mo   0.60
N  
Cu 1.50  3.50

Mechanical Properties

Tensile strength 122~504 σb/MPa
Yield Strength 501 σ 0.2 ≥/MPa
Elongation 38 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 643~940 -
HRC 30 -

Physical Properties

Thermal expansion 25-29 e-6/K
Thermal conductivity 53-93 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8602-0907 째C
Density 2994-6816 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 303 Cu 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