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CC480K Bronze vs. CR012A Copper

Both CC480K bronze and CR012A copper 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 CC480K bronze and the bottom bar is CR012A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 13
15
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 300
220
Tensile Strength: Yield (Proof), MPa 180
130

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 1010
1090
Melting Onset (Solidus), °C 900
1040
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 63
390
Thermal Expansion, µm/m-K 18
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 35
33
Density, g/cm3 8.8
9.0
Embodied Carbon, kg CO2/kg material 3.7
2.7
Embodied Energy, MJ/kg 59
42
Embodied Water, L/kg 390
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
29
Resilience: Unit (Modulus of Resilience), kJ/m3 140
76
Stiffness to Weight: Axial, points 6.9
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.6
6.8
Strength to Weight: Bending, points 11
9.0
Thermal Diffusivity, mm2/s 20
110
Thermal Shock Resistance, points 11
7.8

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.2
0
Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 86 to 90
99.85 to 99.94
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0 to 1.0
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 2.0
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.2
0
Silicon (Si), % 0 to 0.020
0
Silver (Ag), % 0
0.060 to 0.080
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 0 to 0.5
0