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CC330G Bronze vs. CC481K Bronze

Both CC330G bronze and CC481K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 89% of their average alloy composition in common.

For each property being compared, the top bar is CC330G bronze and the bottom bar is CC481K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
90
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 20
4.5
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 530
350
Tensile Strength: Yield (Proof), MPa 190
180

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 1050
1000
Melting Onset (Solidus), °C 1000
880
Specific Heat Capacity, J/kg-K 430
370
Thermal Conductivity, W/m-K 62
64
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
10
Electrical Conductivity: Equal Weight (Specific), % IACS 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 29
35
Density, g/cm3 8.4
8.7
Embodied Carbon, kg CO2/kg material 3.2
3.7
Embodied Energy, MJ/kg 52
60
Embodied Water, L/kg 390
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
13
Resilience: Unit (Modulus of Resilience), kJ/m3 170
150
Stiffness to Weight: Axial, points 7.5
6.9
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 18
11
Strength to Weight: Bending, points 17
13
Thermal Diffusivity, mm2/s 17
20
Thermal Shock Resistance, points 19
13

Alloy Composition

Aluminum (Al), % 8.0 to 10.5
0 to 0.010
Antimony (Sb), % 0
0 to 0.050
Copper (Cu), % 87 to 92
87 to 89.5
Iron (Fe), % 0 to 1.2
0 to 0.1
Lead (Pb), % 0 to 0.3
0 to 0.25
Manganese (Mn), % 0 to 0.5
0 to 0.050
Nickel (Ni), % 0 to 1.0
0 to 0.1
Phosphorus (P), % 0
0 to 1.0
Silicon (Si), % 0 to 0.2
0 to 0.010
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.3
10 to 11.5
Zinc (Zn), % 0 to 0.5
0 to 0.5