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C55180 Copper vs. S39274 Stainless Steel

C55180 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 C55180 copper and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 20
17
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 41
81
Tensile Strength: Ultimate (UTS), MPa 200
900
Tensile Strength: Yield (Proof), MPa 100
620

Thermal Properties

Latent Heat of Fusion, J/g 200
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 920
1480
Melting Onset (Solidus), °C 710
1430
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 200
16
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 29
24
Density, g/cm3 8.6
8.0
Embodied Carbon, kg CO2/kg material 2.5
4.3
Embodied Energy, MJ/kg 39
60
Embodied Water, L/kg 290
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
140
Resilience: Unit (Modulus of Resilience), kJ/m3 48
940
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.4
32
Strength to Weight: Bending, points 8.8
26
Thermal Diffusivity, mm2/s 56
4.2
Thermal Shock Resistance, points 7.9
25

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 94.7 to 95.2
0.2 to 0.8
Iron (Fe), % 0
57 to 65.6
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), % 4.8 to 5.2
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
Residuals, % 0 to 0.15
0