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AISI 304 Stainless Steel vs. C96700 Copper

AISI 304 stainless steel belongs to the iron alloys classification, while C96700 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI 304 stainless steel and the bottom bar is C96700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 8.0 to 43
10
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
53
Tensile Strength: Ultimate (UTS), MPa 580 to 1180
1210
Tensile Strength: Yield (Proof), MPa 230 to 860
550

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 710
310
Melting Completion (Liquidus), °C 1450
1170
Melting Onset (Solidus), °C 1400
1110
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 16
30
Thermal Expansion, µm/m-K 17
15

Otherwise Unclassified Properties

Base Metal Price, % relative 15
90
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 3.0
9.5
Embodied Energy, MJ/kg 43
140
Embodied Water, L/kg 150
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 250
99
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1870
1080
Stiffness to Weight: Axial, points 14
8.9
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 21 to 42
38
Strength to Weight: Bending, points 20 to 32
29
Thermal Diffusivity, mm2/s 4.2
8.5
Thermal Shock Resistance, points 12 to 25
40

Alloy Composition

Beryllium (Be), % 0
1.1 to 1.2
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
62.4 to 68.8
Iron (Fe), % 66.5 to 74
0.4 to 1.0
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0 to 2.0
0.4 to 1.0
Nickel (Ni), % 8.0 to 10.5
29 to 33
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0 to 0.15
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0.15 to 0.35
Zirconium (Zr), % 0
0.15 to 0.35
Residuals, % 0
0 to 0.5