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C15000 Copper vs. S35115 Stainless Steel

C15000 copper belongs to the copper alloys classification, while S35115 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C15000 copper and the bottom bar is S35115 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 13 to 54
46
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
79
Shear Strength, MPa 150 to 280
470
Tensile Strength: Ultimate (UTS), MPa 200 to 460
670
Tensile Strength: Yield (Proof), MPa 45 to 460
310

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1420
Melting Onset (Solidus), °C 980
1370
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 370
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 93
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 93
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
26
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.7
4.8
Embodied Energy, MJ/kg 43
67
Embodied Water, L/kg 310
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 250
250
Resilience: Unit (Modulus of Resilience), kJ/m3 8.7 to 910
240
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.2 to 14
24
Strength to Weight: Bending, points 8.5 to 15
22
Thermal Diffusivity, mm2/s 110
3.9
Thermal Shock Resistance, points 7.3 to 17
15

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 99.8 to 99.9
0
Iron (Fe), % 0
47.6 to 55.8
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
1.5 to 2.5
Nickel (Ni), % 0
19 to 22
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0.5 to 1.5
Sulfur (S), % 0
0 to 0.015
Zirconium (Zr), % 0.1 to 0.2
0