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C14180 Copper vs. S15500 Stainless Steel

C14180 copper belongs to the copper alloys classification, while S15500 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C14180 copper and the bottom bar is S15500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
6.8 to 16
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
75
Tensile Strength: Ultimate (UTS), MPa 210
890 to 1490
Tensile Strength: Yield (Proof), MPa 130
590 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 200
820
Melting Completion (Liquidus), °C 1080
1430
Melting Onset (Solidus), °C 1080
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 370
17
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 31
13
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
39
Embodied Water, L/kg 310
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 69
890 to 4460
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.5
32 to 53
Strength to Weight: Bending, points 8.8
26 to 37
Thermal Diffusivity, mm2/s 110
4.6
Thermal Shock Resistance, points 7.4
30 to 50

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
14 to 15.5
Copper (Cu), % 99.9 to 100
2.5 to 4.5
Iron (Fe), % 0
71.9 to 79.9
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
3.5 to 5.5
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0 to 0.075
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030