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C55181 Copper vs. S35315 Stainless Steel

C55181 copper belongs to the copper alloys classification, while S35315 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is C55181 copper and the bottom bar is S35315 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 40
78
Tensile Strength: Ultimate (UTS), MPa 200
740

Thermal Properties

Latent Heat of Fusion, J/g 190
330
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 790
1370
Melting Onset (Solidus), °C 710
1330
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 28
34
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 2.4
5.7
Embodied Energy, MJ/kg 38
81
Embodied Water, L/kg 290
220

Common Calculations

Stiffness to Weight: Axial, points 7.0
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 6.5
26
Strength to Weight: Bending, points 8.9
23
Thermal Shock Resistance, points 8.2
17

Alloy Composition

Carbon (C), % 0
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.1
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 92.4 to 93
0
Iron (Fe), % 0
33.6 to 40.6
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
34 to 36
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 7.0 to 7.5
0 to 0.040
Silicon (Si), % 0
1.2 to 2.0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.15
0