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C14181 Copper vs. S82031 Stainless Steel

C14181 copper belongs to the copper alloys classification, while S82031 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C14181 copper and the bottom bar is S82031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
39
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
78
Tensile Strength: Ultimate (UTS), MPa 210
780
Tensile Strength: Yield (Proof), MPa 130
570

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
980
Melting Completion (Liquidus), °C 1080
1430
Melting Onset (Solidus), °C 1080
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 380
15
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 31
13
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 41
39
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
280
Resilience: Unit (Modulus of Resilience), kJ/m3 69
820
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.5
28
Strength to Weight: Bending, points 8.8
24
Thermal Diffusivity, mm2/s 110
3.9
Thermal Shock Resistance, points 7.4
22

Alloy Composition

Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0 to 0.0050
0 to 0.050
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 99.9 to 100
0 to 1.0
Iron (Fe), % 0
68 to 78.3
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0 to 2.5
Molybdenum (Mo), % 0
0.6 to 1.4
Nickel (Ni), % 0
2.0 to 4.0
Nitrogen (N), % 0
0.14 to 0.24
Phosphorus (P), % 0 to 0.0020
0 to 0.040
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0
0 to 0.0050
Zinc (Zn), % 0 to 0.0020
0