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C63020 Bronze vs. C90700 Bronze

Both C63020 bronze and C90700 bronze are copper alloys. They have 79% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C63020 bronze and the bottom bar is C90700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 6.8
12
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 1020
330
Tensile Strength: Yield (Proof), MPa 740
180

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 230
170
Melting Completion (Liquidus), °C 1070
1000
Melting Onset (Solidus), °C 1020
830
Specific Heat Capacity, J/kg-K 450
370
Thermal Conductivity, W/m-K 40
71
Thermal Expansion, µm/m-K 18
18

Otherwise Unclassified Properties

Base Metal Price, % relative 29
35
Density, g/cm3 8.2
8.7
Embodied Carbon, kg CO2/kg material 3.6
3.7
Embodied Energy, MJ/kg 58
60
Embodied Water, L/kg 390
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
34
Resilience: Unit (Modulus of Resilience), kJ/m3 2320
150
Stiffness to Weight: Axial, points 8.0
6.9
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 34
10
Strength to Weight: Bending, points 27
12
Thermal Diffusivity, mm2/s 11
22
Thermal Shock Resistance, points 35
12

Alloy Composition


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Aluminum (Al), % 10 to 11
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Chromium (Cr), % 0 to 0.050
0
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 74.7 to 81.8
88 to 90
Iron (Fe), % 4.0 to 5.5
0 to 0.15
Lead (Pb), % 0 to 0.030
0 to 0.5
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 4.2 to 6.0
0 to 0.5
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.25
10 to 12
Zinc (Zn), % 0 to 0.3
0 to 0.5
Residuals, % 0 to 0.5
0 to 0.6