MakeItFrom.com
Menu (ESC)

C18700 Copper vs. C63020 Bronze

Both C18700 copper and C63020 bronze are copper alloys. They have 79% of their average alloy composition in common. There are 27 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 C63020 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 9.0 to 9.6
6.8
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
44
Shear Strength, MPa 170 to 190
600
Tensile Strength: Ultimate (UTS), MPa 290 to 330
1020
Tensile Strength: Yield (Proof), MPa 230 to 250
740

Thermal Properties

Latent Heat of Fusion, J/g 210
230
Maximum Temperature: Mechanical, °C 200
230
Melting Completion (Liquidus), °C 1080
1070
Melting Onset (Solidus), °C 950
1020
Specific Heat Capacity, J/kg-K 380
450
Thermal Conductivity, W/m-K 380
40
Thermal Expansion, µm/m-K 17
18

Otherwise Unclassified Properties

Base Metal Price, % relative 30
29
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 2.6
3.6
Embodied Energy, MJ/kg 41
58
Embodied Water, L/kg 310
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
63
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 280
2320
Stiffness to Weight: Axial, points 7.1
8.0
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 9.0 to 10
34
Strength to Weight: Bending, points 11 to 12
27
Thermal Diffusivity, mm2/s 110
11
Thermal Shock Resistance, points 10 to 12
35

Alloy Composition

Aluminum (Al), % 0
10 to 11
Chromium (Cr), % 0
0 to 0.050
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 98 to 99.2
74.7 to 81.8
Iron (Fe), % 0
4.0 to 5.5
Lead (Pb), % 0.8 to 1.5
0 to 0.030
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
4.2 to 6.0
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.5