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CC330G Bronze vs. CC495K Bronze

Both CC330G bronze and CC495K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 80% of their average alloy composition in common.

For each property being compared, the top bar is CC330G bronze and the bottom bar is CC495K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
76
Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 20
7.0
Poisson's Ratio 0.34
0.35
Shear Modulus, GPa 42
37
Tensile Strength: Ultimate (UTS), MPa 530
240
Tensile Strength: Yield (Proof), MPa 190
120

Thermal Properties

Latent Heat of Fusion, J/g 230
180
Maximum Temperature: Mechanical, °C 220
140
Melting Completion (Liquidus), °C 1050
930
Melting Onset (Solidus), °C 1000
820
Specific Heat Capacity, J/kg-K 430
350
Thermal Conductivity, W/m-K 62
48
Thermal Expansion, µm/m-K 18
19

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
33
Density, g/cm3 8.4
9.0
Embodied Carbon, kg CO2/kg material 3.2
3.6
Embodied Energy, MJ/kg 52
58
Embodied Water, L/kg 390
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
14
Resilience: Unit (Modulus of Resilience), kJ/m3 170
68
Stiffness to Weight: Axial, points 7.5
6.2
Stiffness to Weight: Bending, points 19
17
Strength to Weight: Axial, points 18
7.3
Strength to Weight: Bending, points 17
9.4
Thermal Diffusivity, mm2/s 17
15
Thermal Shock Resistance, points 19
8.8

Alloy Composition

Aluminum (Al), % 8.0 to 10.5
0 to 0.010
Antimony (Sb), % 0
0 to 0.5
Copper (Cu), % 87 to 92
76 to 82
Iron (Fe), % 0 to 1.2
0 to 0.25
Lead (Pb), % 0 to 0.3
8.0 to 11
Manganese (Mn), % 0 to 0.5
0 to 0.2
Nickel (Ni), % 0 to 1.0
0 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0 to 0.2
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0 to 0.3
9.0 to 11
Zinc (Zn), % 0 to 0.5
0 to 2.0