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CC495K Bronze vs. CC330G Bronze

Both CC495K bronze and CC330G 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 CC495K bronze and the bottom bar is CC330G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 33
29
Density, g/cm3 9.0
8.4
Embodied Carbon, kg CO2/kg material 3.6
3.2
Embodied Energy, MJ/kg 58
52
Embodied Water, L/kg 400
390

Common Calculations

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

Alloy Composition

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