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CR009A Copper vs. C94700 Bronze

Both CR009A copper and C94700 bronze are copper alloys. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is CR009A copper and the bottom bar is C94700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
7.9 to 32
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Tensile Strength: Ultimate (UTS), MPa 230
350 to 590
Tensile Strength: Yield (Proof), MPa 140
160 to 400

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 200
190
Melting Completion (Liquidus), °C 1090
1030
Melting Onset (Solidus), °C 1040
900
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 380
54
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
12
Electrical Conductivity: Equal Weight (Specific), % IACS 100
12

Otherwise Unclassified Properties

Base Metal Price, % relative 31
34
Density, g/cm3 9.0
8.8
Embodied Carbon, kg CO2/kg material 2.6
3.5
Embodied Energy, MJ/kg 41
56
Embodied Water, L/kg 310
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
41 to 89
Resilience: Unit (Modulus of Resilience), kJ/m3 83
110 to 700
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 7.1
11 to 19
Strength to Weight: Bending, points 9.3
13 to 18
Thermal Diffusivity, mm2/s 110
16
Thermal Shock Resistance, points 8.1
12 to 21

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0 to 0.00040
0 to 0.15
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0
Cadmium (Cd), % 0 to 0.00010
0
Copper (Cu), % 99.99 to 100
85 to 90
Iron (Fe), % 0 to 0.0010
0 to 0.25
Lead (Pb), % 0 to 0.00050
0 to 0.1
Manganese (Mn), % 0 to 0.00050
0 to 0.2
Nickel (Ni), % 0 to 0.0010
4.5 to 6.0
Phosphorus (P), % 0 to 0.0030
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 0.050
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0 to 0.00020
4.5 to 6.0
Zinc (Zn), % 0 to 0.00010
1.0 to 2.5
Residuals, % 0
0 to 1.3