SUS303Cu Stainless Steels to SA/JIS G4303

SUS303Cu - Specification & Application

  • SA/JIS G4303 - Specification for stainless steel bars

Specification for stainless steel bars

Chemical composition(wt.%) of SUS303Cu grade: to SA/JIS G4303

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 -

SUS303Cu - Detail

Specification for stainless steel bars

Mechanical properties of grade SUS303Cu SA/JIS G4303

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
725 (≥) 592 (≥) 31 33 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical properties of grade SUS303Cu SA/JIS G4303

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
552 (≥) 456 (≥) 13 11 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 221
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
527 339 434

Equivalent Products

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