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C55180 Copper vs. S32101 Stainless Steel

C55180 copper belongs to the copper alloys classification, while S32101 stainless steel belongs to the iron 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 C55180 copper and the bottom bar is S32101 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 20
34
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 41
78
Tensile Strength: Ultimate (UTS), MPa 200
740
Tensile Strength: Yield (Proof), MPa 100
500

Thermal Properties

Latent Heat of Fusion, J/g 200
290
Maximum Temperature: Mechanical, °C 200
1000
Melting Completion (Liquidus), °C 920
1420
Melting Onset (Solidus), °C 710
1370
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 200
15
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 29
12
Density, g/cm3 8.6
7.7
Embodied Carbon, kg CO2/kg material 2.5
2.6
Embodied Energy, MJ/kg 39
38
Embodied Water, L/kg 290
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
230
Resilience: Unit (Modulus of Resilience), kJ/m3 48
640
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.4
27
Strength to Weight: Bending, points 8.8
24
Thermal Diffusivity, mm2/s 56
4.0
Thermal Shock Resistance, points 7.9
20

Alloy Composition

Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
21 to 22
Copper (Cu), % 94.7 to 95.2
0.1 to 0.8
Iron (Fe), % 0
67.3 to 73.3
Manganese (Mn), % 0
4.0 to 6.0
Molybdenum (Mo), % 0
0.1 to 0.8
Nickel (Ni), % 0
1.4 to 1.7
Nitrogen (N), % 0
0.2 to 0.25
Phosphorus (P), % 4.8 to 5.2
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.15
0