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CC332G Bronze vs. CC491K Bronze

Both CC332G bronze and CC491K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is CC332G bronze and the bottom bar is CC491K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
73
Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 22
13
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 620
260
Tensile Strength: Yield (Proof), MPa 250
120

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 220
160
Melting Completion (Liquidus), °C 1060
980
Melting Onset (Solidus), °C 1010
900
Specific Heat Capacity, J/kg-K 440
370
Thermal Conductivity, W/m-K 45
71
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
15
Electrical Conductivity: Equal Weight (Specific), % IACS 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 29
31
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 3.4
3.1
Embodied Energy, MJ/kg 55
51
Embodied Water, L/kg 390
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
27
Resilience: Unit (Modulus of Resilience), kJ/m3 270
67
Stiffness to Weight: Axial, points 7.7
6.7
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 21
8.1
Strength to Weight: Bending, points 19
10
Thermal Diffusivity, mm2/s 12
22
Thermal Shock Resistance, points 21
9.3

Alloy Composition

Aluminum (Al), % 8.5 to 10.5
0 to 0.010
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 80 to 86
81 to 87
Iron (Fe), % 1.0 to 3.0
0 to 0.3
Lead (Pb), % 0 to 0.1
4.0 to 6.0
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 1.5 to 4.0
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 0.2
4.0 to 6.0
Zinc (Zn), % 0 to 0.5
4.0 to 6.0