304Cu Stainless Steels

304Cu - Specification & Application

Stainless steel and heat resistant steel

Chemical composition(wt.%) of 304Cu grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.03
Cr 17.0 19.0
Ni 8.00 10.0
Cu 3.00 4.00

304Cu - Detail

Stainless steel and heat resistant steel

Mechanical properties of grade 304Cu

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)
938 (≥) 674 (≥) 34 11 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical properties of grade 304Cu

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
578 (≥) 232 (≥) 24 24 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 231
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
356 142 365

Equivalent Products

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