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CC330G Bronze vs. CC493K Bronze

Both CC330G bronze and CC493K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 84% of their average alloy composition in common.

For each property being compared, the top bar is CC330G bronze and the bottom bar is CC493K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
74
Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 20
14
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 42
39
Tensile Strength: Ultimate (UTS), MPa 530
270
Tensile Strength: Yield (Proof), MPa 190
140

Thermal Properties

Latent Heat of Fusion, J/g 230
180
Maximum Temperature: Mechanical, °C 220
160
Melting Completion (Liquidus), °C 1050
960
Melting Onset (Solidus), °C 1000
880
Specific Heat Capacity, J/kg-K 430
360
Thermal Conductivity, W/m-K 62
61
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
12
Electrical Conductivity: Equal Weight (Specific), % IACS 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 29
32
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 3.2
3.3
Embodied Energy, MJ/kg 52
53
Embodied Water, L/kg 390
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
33
Resilience: Unit (Modulus of Resilience), kJ/m3 170
89
Stiffness to Weight: Axial, points 7.5
6.5
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 18
8.6
Strength to Weight: Bending, points 17
11
Thermal Diffusivity, mm2/s 17
19
Thermal Shock Resistance, points 19
10

Alloy Composition

Aluminum (Al), % 8.0 to 10.5
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Copper (Cu), % 87 to 92
79 to 86
Iron (Fe), % 0 to 1.2
0 to 0.2
Lead (Pb), % 0 to 0.3
5.0 to 8.0
Manganese (Mn), % 0 to 0.5
0
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
5.2 to 8.0
Zinc (Zn), % 0 to 0.5
2.0 to 5.0