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CR006A Copper vs. C87200 Bronze

Both CR006A copper and C87200 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 94% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CR006A copper and the bottom bar is C87200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
30
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Tensile Strength: Ultimate (UTS), MPa 230
380
Tensile Strength: Yield (Proof), MPa 140
170

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 1090
970
Melting Onset (Solidus), °C 1040
860
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 380
28
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 31
29
Density, g/cm3 9.0
8.6
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
44
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
93
Resilience: Unit (Modulus of Resilience), kJ/m3 83
130
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.1
12
Strength to Weight: Bending, points 9.3
14
Thermal Diffusivity, mm2/s 110
8.0
Thermal Shock Resistance, points 8.1
14

Alloy Composition

Aluminum (Al), % 0
0 to 1.5
Copper (Cu), % 99.9 to 100
89 to 99
Iron (Fe), % 0
0 to 2.5
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0
0 to 1.5
Oxygen (O), % 0 to 0.1
0
Phosphorus (P), % 0
0 to 0.5
Silicon (Si), % 0
1.0 to 5.0
Silver (Ag), % 0 to 0.015
0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 0
0 to 5.0