SUS303Cu chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS303Cu

AMS SUS303Cu

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This page is mainly introduced the SUS303Cu chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS303Cu,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for stainless steel bars
  • Steel Garde:SUS303Cu
  • Type:Stainless Steels
  • Country:USA
  • Standard:AMS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 SA/JIS G4303 Specification for stainless steel bars
  • Metallographic Structure:Austenite
  • Application:Specification for stainless steel bars

Cross Reference Table(Equivalent Materials):

Material Standard Country
303 Cu UNS USA
SUS 303Cu FED Japan
S30330 AISI USA
SUS 303 Cu JIS Japan
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   2.00
P   0.15
S 0.10 
Cr 17.0  19.0
Ni 6.00  10.0
Cu 2.50  4.00
Se 0.10 

Mechanical Properties

Tensile strength 004~334 σb/MPa
Yield Strength 670 σ 0.2 ≥/MPa
Elongation 70 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 150~202 -
HRC 30 -

Physical Properties

Thermal expansion 32-37 e-6/K
Thermal conductivity 86-78 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0040-3666 째C
Density 8996-4862 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)
SUS303Cu 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