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C70250 Copper vs. S32615 Stainless Steel

C70250 copper belongs to the copper alloys classification, while S32615 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is C70250 copper and the bottom bar is S32615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
75
Tensile Strength: Ultimate (UTS), MPa 520 to 740
620

Thermal Properties

Latent Heat of Fusion, J/g 220
370
Maximum Temperature: Mechanical, °C 210
990
Melting Completion (Liquidus), °C 1100
1350
Melting Onset (Solidus), °C 1080
1310
Specific Heat Capacity, J/kg-K 390
500
Thermal Expansion, µm/m-K 17
15

Otherwise Unclassified Properties

Base Metal Price, % relative 31
24
Density, g/cm3 8.9
7.6
Embodied Carbon, kg CO2/kg material 2.9
4.4
Embodied Energy, MJ/kg 45
63
Embodied Water, L/kg 310
170

Common Calculations

Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 16 to 23
23
Strength to Weight: Bending, points 16 to 21
21
Thermal Shock Resistance, points 18 to 26
15

Alloy Composition

Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
16.5 to 19.5
Copper (Cu), % 92.7 to 97.5
1.5 to 2.5
Iron (Fe), % 0
46.4 to 57.9
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.050 to 0.3
0
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 0
0.3 to 1.5
Nickel (Ni), % 2.2 to 4.2
19 to 22
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0.25 to 1.2
4.8 to 6.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0