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C14180 Copper vs. S39274 Stainless Steel

C14180 copper belongs to the copper alloys classification, while S39274 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C14180 copper and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 15
17
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
81
Tensile Strength: Ultimate (UTS), MPa 210
900
Tensile Strength: Yield (Proof), MPa 130
620

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1480
Melting Onset (Solidus), °C 1080
1430
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 370
16
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 31
24
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 2.6
4.3
Embodied Energy, MJ/kg 41
60
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
140
Resilience: Unit (Modulus of Resilience), kJ/m3 69
940
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.5
32
Strength to Weight: Bending, points 8.8
26
Thermal Diffusivity, mm2/s 110
4.2
Thermal Shock Resistance, points 7.4
25

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 99.9 to 100
0.2 to 0.8
Iron (Fe), % 0
57 to 65.6
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0 to 0.075
0 to 0.030
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5