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CC331G Bronze vs. CC483K Bronze

Both CC331G bronze and CC483K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 86% of their average alloy composition in common.

For each property being compared, the top bar is CC331G bronze and the bottom bar is CC483K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
97
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 20
6.4
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 620
310
Tensile Strength: Yield (Proof), MPa 240
170

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 1060
990
Melting Onset (Solidus), °C 1000
870
Specific Heat Capacity, J/kg-K 440
370
Thermal Conductivity, W/m-K 61
68
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
10
Electrical Conductivity: Equal Weight (Specific), % IACS 14
10

Otherwise Unclassified Properties

Base Metal Price, % relative 28
36
Density, g/cm3 8.3
8.7
Embodied Carbon, kg CO2/kg material 3.2
3.8
Embodied Energy, MJ/kg 53
62
Embodied Water, L/kg 390
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97
17
Resilience: Unit (Modulus of Resilience), kJ/m3 250
130
Stiffness to Weight: Axial, points 7.6
6.9
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 21
9.9
Strength to Weight: Bending, points 19
12
Thermal Diffusivity, mm2/s 17
21
Thermal Shock Resistance, points 22
11

Alloy Composition

Aluminum (Al), % 8.5 to 10.5
0 to 0.010
Antimony (Sb), % 0
0 to 0.15
Copper (Cu), % 83 to 86.5
85 to 89
Iron (Fe), % 1.5 to 3.5
0 to 0.2
Lead (Pb), % 0 to 0.1
0 to 0.7
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
0 to 0.2
Nickel (Ni), % 0 to 1.5
0 to 2.0
Phosphorus (P), % 0
0 to 0.6
Silicon (Si), % 0 to 0.2
0 to 0.010
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.2
10.5 to 13
Zinc (Zn), % 0 to 0.5
0 to 0.5