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C15900 Copper vs. S32760 Stainless Steel

C15900 copper belongs to the copper alloys classification, while S32760 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 C15900 copper and the bottom bar is S32760 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 6.5
28
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
80
Shear Strength, MPa 420
550
Tensile Strength: Ultimate (UTS), MPa 720
850
Tensile Strength: Yield (Proof), MPa 240
620

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1460
Melting Onset (Solidus), °C 1030
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 280
15
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 48
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 49
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 30
22
Density, g/cm3 8.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
4.1
Embodied Energy, MJ/kg 45
57
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
220
Resilience: Unit (Modulus of Resilience), kJ/m3 260
930
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 23
30
Strength to Weight: Bending, points 20
25
Thermal Diffusivity, mm2/s 80
4.0
Thermal Shock Resistance, points 26
23

Alloy Composition

Aluminum (Al), % 0.76 to 0.84
0
Carbon (C), % 0.27 to 0.33
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 97.5 to 97.9
0.5 to 1.0
Iron (Fe), % 0 to 0.040
57.6 to 65.8
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.2 to 0.3
Oxygen (O), % 0.4 to 0.54
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0.66 to 0.74
0
Tungsten (W), % 0
0.5 to 1.0