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CC499K Bronze vs. CC331G Bronze

Both CC499K bronze and CC331G 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 CC499K bronze and the bottom bar is CC331G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
140
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 13
20
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 260
620
Tensile Strength: Yield (Proof), MPa 120
240

Thermal Properties

Latent Heat of Fusion, J/g 190
230
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 1000
1060
Melting Onset (Solidus), °C 920
1000
Specific Heat Capacity, J/kg-K 370
440
Thermal Conductivity, W/m-K 73
61
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
13
Electrical Conductivity: Equal Weight (Specific), % IACS 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 32
28
Density, g/cm3 8.8
8.3
Embodied Carbon, kg CO2/kg material 3.1
3.2
Embodied Energy, MJ/kg 51
53
Embodied Water, L/kg 350
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
97
Resilience: Unit (Modulus of Resilience), kJ/m3 65
250
Stiffness to Weight: Axial, points 6.9
7.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.1
21
Strength to Weight: Bending, points 10
19
Thermal Diffusivity, mm2/s 22
17
Thermal Shock Resistance, points 9.2
22

Alloy Composition

Aluminum (Al), % 0 to 0.010
8.5 to 10.5
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.020
0
Cadmium (Cd), % 0 to 0.020
0
Chromium (Cr), % 0 to 0.020
0
Copper (Cu), % 84 to 88
83 to 86.5
Iron (Fe), % 0 to 0.3
1.5 to 3.5
Lead (Pb), % 0 to 3.0
0 to 0.1
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.6
0 to 1.5
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.010
0 to 0.2
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 4.0 to 6.0
0 to 0.2
Zinc (Zn), % 4.0 to 6.0
0 to 0.5