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C18700 Copper vs. CC493K Bronze

Both C18700 copper and CC493K bronze are copper alloys. They have 84% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C18700 copper and the bottom bar is CC493K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 9.0 to 9.6
14
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
39
Tensile Strength: Ultimate (UTS), MPa 290 to 330
270
Tensile Strength: Yield (Proof), MPa 230 to 250
140

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1080
960
Melting Onset (Solidus), °C 950
880
Specific Heat Capacity, J/kg-K 380
360
Thermal Conductivity, W/m-K 380
61
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
12
Electrical Conductivity: Equal Weight (Specific), % IACS 99
12

Otherwise Unclassified Properties

Base Metal Price, % relative 30
32
Density, g/cm3 9.0
8.9
Embodied Carbon, kg CO2/kg material 2.6
3.3
Embodied Energy, MJ/kg 41
53
Embodied Water, L/kg 310
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
33
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 280
89
Stiffness to Weight: Axial, points 7.1
6.5
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.0 to 10
8.6
Strength to Weight: Bending, points 11 to 12
11
Thermal Diffusivity, mm2/s 110
19
Thermal Shock Resistance, points 10 to 12
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Copper (Cu), % 98 to 99.2
79 to 86
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0.8 to 1.5
5.0 to 8.0
Nickel (Ni), % 0
0 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
5.2 to 8.0
Zinc (Zn), % 0
2.0 to 5.0
Residuals, % 0 to 0.5
0