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C66100 Bronze vs. C63020 Bronze

Both C66100 bronze and C63020 bronze are copper alloys. They have 80% of their average alloy composition in common.

For each property being compared, the top bar is C66100 bronze and the bottom bar is C63020 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 8.0 to 40
6.8
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
44
Shear Strength, MPa 280 to 460
600
Tensile Strength: Ultimate (UTS), MPa 410 to 790
1020
Tensile Strength: Yield (Proof), MPa 120 to 430
740

Thermal Properties

Latent Heat of Fusion, J/g 260
230
Maximum Temperature: Mechanical, °C 200
230
Melting Completion (Liquidus), °C 1050
1070
Melting Onset (Solidus), °C 1000
1020
Specific Heat Capacity, J/kg-K 400
450
Thermal Conductivity, W/m-K 34
40
Thermal Expansion, µm/m-K 17
18

Otherwise Unclassified Properties

Base Metal Price, % relative 29
29
Density, g/cm3 8.7
8.2
Embodied Carbon, kg CO2/kg material 2.6
3.6
Embodied Energy, MJ/kg 42
58
Embodied Water, L/kg 300
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 53 to 120
63
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 790
2320
Stiffness to Weight: Axial, points 7.4
8.0
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 13 to 25
34
Strength to Weight: Bending, points 14 to 22
27
Thermal Diffusivity, mm2/s 9.7
11
Thermal Shock Resistance, points 15 to 29
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), % 92 to 97
74.7 to 81.8
Iron (Fe), % 0 to 0.25
4.0 to 5.5
Lead (Pb), % 0.2 to 0.8
0 to 0.030
Manganese (Mn), % 0 to 1.5
0 to 1.5
Nickel (Ni), % 0
4.2 to 6.0
Silicon (Si), % 2.8 to 3.5
0
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0 to 1.5
0 to 0.3
Residuals, % 0
0 to 0.5