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CR020A Copper vs. C95200 Bronze

Both CR020A copper and C95200 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 88% 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 CR020A copper and the bottom bar is C95200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
29
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
42
Tensile Strength: Ultimate (UTS), MPa 220
520
Tensile Strength: Yield (Proof), MPa 130
190

Thermal Properties

Latent Heat of Fusion, J/g 210
230
Maximum Temperature: Mechanical, °C 200
220
Melting Completion (Liquidus), °C 1090
1050
Melting Onset (Solidus), °C 1040
1040
Specific Heat Capacity, J/kg-K 390
430
Thermal Conductivity, W/m-K 380
50
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
11
Electrical Conductivity: Equal Weight (Specific), % IACS 100
12

Otherwise Unclassified Properties

Base Metal Price, % relative 31
28
Density, g/cm3 9.0
8.3
Embodied Carbon, kg CO2/kg material 2.6
3.0
Embodied Energy, MJ/kg 41
50
Embodied Water, L/kg 320
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
120
Resilience: Unit (Modulus of Resilience), kJ/m3 76
170
Stiffness to Weight: Axial, points 7.2
7.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.8
17
Strength to Weight: Bending, points 9.0
17
Thermal Diffusivity, mm2/s 110
14
Thermal Shock Resistance, points 7.8
19

Alloy Composition


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Aluminum (Al), % 0
8.5 to 9.5
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.95 to 99.999
86 to 89
Iron (Fe), % 0
2.5 to 4.0
Lead (Pb), % 0 to 0.0050
0
Phosphorus (P), % 0.0010 to 0.0060
0
Silver (Ag), % 0 to 0.015
0
Residuals, % 0
0 to 1.0