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C63800 Bronze vs. C87700 Bronze

Both C63800 bronze and C87700 bronze are copper alloys. They have a moderately high 92% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C63800 bronze and the bottom bar is C87700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 7.9 to 41
3.6
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
42
Tensile Strength: Ultimate (UTS), MPa 460 to 1010
300

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 1030
980
Melting Onset (Solidus), °C 1000
900
Specific Heat Capacity, J/kg-K 410
400
Thermal Conductivity, W/m-K 40
120
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
45
Electrical Conductivity: Equal Weight (Specific), % IACS 10
48

Otherwise Unclassified Properties

Base Metal Price, % relative 30
29
Density, g/cm3 8.6
8.5
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 45
45
Embodied Water, L/kg 330
310

Common Calculations

Stiffness to Weight: Axial, points 7.4
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 15 to 33
9.8
Strength to Weight: Bending, points 15 to 26
12
Thermal Diffusivity, mm2/s 11
34
Thermal Shock Resistance, points 17 to 36
11

Alloy Composition

Aluminum (Al), % 2.5 to 3.1
0
Antimony (Sb), % 0
0 to 0.1
Cobalt (Co), % 0.25 to 0.55
0
Copper (Cu), % 92.4 to 95.8
87.5 to 90.5
Iron (Fe), % 0 to 0.2
0 to 0.5
Lead (Pb), % 0 to 0.050
0 to 0.090
Manganese (Mn), % 0 to 0.1
0 to 0.8
Nickel (Ni), % 0 to 0.2
0 to 0.25
Phosphorus (P), % 0
0 to 0.15
Silicon (Si), % 1.5 to 2.1
2.5 to 3.5
Tin (Sn), % 0
0 to 2.0
Zinc (Zn), % 0 to 0.8
7.0 to 9.0
Residuals, % 0
0 to 0.8