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C12000 Copper vs. S32808 Stainless Steel

C12000 copper belongs to the copper alloys classification, while S32808 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C12000 copper and the bottom bar is S32808 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 2.8 to 50
17
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
81
Shear Strength, MPa 160 to 240
480
Tensile Strength: Ultimate (UTS), MPa 230 to 410
780
Tensile Strength: Yield (Proof), MPa 77 to 400
570

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1470
Melting Onset (Solidus), °C 1080
1420
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 390
14
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 98
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
24
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.6
4.0
Embodied Energy, MJ/kg 41
57
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 91
120
Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 690
790
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.2 to 13
27
Strength to Weight: Bending, points 9.4 to 14
24
Thermal Diffusivity, mm2/s 110
3.8
Thermal Shock Resistance, points 8.2 to 15
21

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
27 to 27.9
Copper (Cu), % 99.9 to 99.996
0
Iron (Fe), % 0
58.1 to 62.8
Manganese (Mn), % 0
0 to 1.1
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 0
7.0 to 8.2
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0.0040 to 0.012
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Tungsten (W), % 0
2.1 to 2.5