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C95820 Bronze vs. C70250 Copper

Both C95820 bronze and C70250 copper are copper alloys. They have 84% of their average alloy composition in common. There are 24 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 C95820 bronze and the bottom bar is C70250 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 44
44
Tensile Strength: Ultimate (UTS), MPa 730
520 to 740

Thermal Properties

Latent Heat of Fusion, J/g 230
220
Maximum Temperature: Mechanical, °C 230
210
Melting Completion (Liquidus), °C 1080
1100
Melting Onset (Solidus), °C 1020
1080
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 38
170
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
36 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
37 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 29
31
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 3.5
2.9
Embodied Energy, MJ/kg 56
45
Embodied Water, L/kg 380
310

Common Calculations

Stiffness to Weight: Axial, points 8.0
7.4
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 24
16 to 23
Strength to Weight: Bending, points 22
16 to 21
Thermal Diffusivity, mm2/s 11
49
Thermal Shock Resistance, points 25
18 to 26

Alloy Composition

Aluminum (Al), % 9.0 to 10
0
Copper (Cu), % 77.5 to 82.5
92.7 to 97.5
Iron (Fe), % 4.0 to 5.0
0
Lead (Pb), % 0 to 0.020
0 to 0.050
Magnesium (Mg), % 0
0.050 to 0.3
Manganese (Mn), % 0 to 1.5
0 to 0.1
Nickel (Ni), % 4.5 to 5.8
2.2 to 4.2
Silicon (Si), % 0 to 0.1
0.25 to 1.2
Tin (Sn), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.2
0 to 1.0
Residuals, % 0
0 to 0.5