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CR012A Copper vs. C94100 Bronze

Both CR012A copper and C94100 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 76% 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 CR012A copper and the bottom bar is C94100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
92
Elongation at Break, % 15
7.8
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 43
34
Tensile Strength: Ultimate (UTS), MPa 220
190
Tensile Strength: Yield (Proof), MPa 130
130

Thermal Properties

Latent Heat of Fusion, J/g 210
160
Maximum Temperature: Mechanical, °C 200
130
Melting Completion (Liquidus), °C 1090
870
Melting Onset (Solidus), °C 1040
790
Specific Heat Capacity, J/kg-K 390
330
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 33
29
Density, g/cm3 9.0
9.2
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 42
48
Embodied Water, L/kg 360
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
14
Resilience: Unit (Modulus of Resilience), kJ/m3 76
97
Stiffness to Weight: Axial, points 7.2
5.5
Stiffness to Weight: Bending, points 18
16
Strength to Weight: Axial, points 6.8
5.8
Strength to Weight: Bending, points 9.0
8.1
Thermal Shock Resistance, points 7.8
7.6

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.85 to 99.94
72 to 79
Iron (Fe), % 0
0 to 0.25
Lead (Pb), % 0
18 to 22
Nickel (Ni), % 0
0 to 1.0
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.5 to 6.5
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 1.3