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CR007A Copper vs. C94900 Bronze

Both CR007A copper and C94900 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 80% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is CR007A copper and the bottom bar is C94900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
17
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 230
300
Tensile Strength: Yield (Proof), MPa 140
130

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
980
Melting Onset (Solidus), °C 1040
910
Specific Heat Capacity, J/kg-K 390
370
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
14
Electrical Conductivity: Equal Weight (Specific), % IACS 100
14

Otherwise Unclassified Properties

Base Metal Price, % relative 31
32
Density, g/cm3 9.0
8.8
Embodied Carbon, kg CO2/kg material 2.6
3.4
Embodied Energy, MJ/kg 41
55
Embodied Water, L/kg 310
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
41
Resilience: Unit (Modulus of Resilience), kJ/m3 83
72
Stiffness to Weight: Axial, points 7.2
6.9
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 7.1
9.4
Strength to Weight: Bending, points 9.3
11
Thermal Shock Resistance, points 8.1
11

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0 to 0.00040
0 to 0.25
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0
Copper (Cu), % 99.994 to 100
79 to 81
Iron (Fe), % 0 to 0.0010
0 to 0.3
Lead (Pb), % 0 to 0.00050
4.0 to 6.0
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
4.0 to 6.0
Phosphorus (P), % 0
0 to 0.050
Selenium (Se), % 0 to 0.00020
0
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0 to 0.080
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 0
4.0 to 6.0
Residuals, % 0
0 to 0.8