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CR015A Copper vs. C90700 Bronze

Both CR015A copper and C90700 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 89% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is CR015A copper and the bottom bar is C90700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
12
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 220
330
Tensile Strength: Yield (Proof), MPa 130
180

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
1000
Melting Onset (Solidus), °C 1040
830
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 390
71
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
10
Electrical Conductivity: Equal Weight (Specific), % IACS 99
10

Otherwise Unclassified Properties

Base Metal Price, % relative 33
35
Density, g/cm3 9.0
8.7
Embodied Carbon, kg CO2/kg material 2.7
3.7
Embodied Energy, MJ/kg 42
60
Embodied Water, L/kg 360
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
34
Resilience: Unit (Modulus of Resilience), kJ/m3 76
150
Stiffness to Weight: Axial, points 7.2
6.9
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 6.8
10
Strength to Weight: Bending, points 9.0
12
Thermal Diffusivity, mm2/s 110
22
Thermal Shock Resistance, points 7.8
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.883 to 99.939
88 to 90
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0.0010 to 0.0070
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
10 to 12
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.6