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CC333G Bronze vs. CC491K Bronze

Both CC333G bronze and CC491K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 81% of their average alloy composition in common.

For each property being compared, the top bar is CC333G bronze and the bottom bar is CC491K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
73
Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 13
13
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 45
40
Tensile Strength: Ultimate (UTS), MPa 710
260
Tensile Strength: Yield (Proof), MPa 310
120

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 230
160
Melting Completion (Liquidus), °C 1080
980
Melting Onset (Solidus), °C 1020
900
Specific Heat Capacity, J/kg-K 440
370
Thermal Conductivity, W/m-K 38
71
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
15
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
15

Otherwise Unclassified Properties

Base Metal Price, % relative 29
31
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 3.5
3.1
Embodied Energy, MJ/kg 56
51
Embodied Water, L/kg 380
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
27
Resilience: Unit (Modulus of Resilience), kJ/m3 410
67
Stiffness to Weight: Axial, points 8.0
6.7
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 24
8.1
Strength to Weight: Bending, points 21
10
Thermal Diffusivity, mm2/s 10
22
Thermal Shock Resistance, points 24
9.3

Alloy Composition

Aluminum (Al), % 8.5 to 10.5
0 to 0.010
Antimony (Sb), % 0
0 to 0.25
Bismuth (Bi), % 0 to 0.010
0
Chromium (Cr), % 0 to 0.050
0
Copper (Cu), % 76 to 83
81 to 87
Iron (Fe), % 3.0 to 5.5
0 to 0.3
Lead (Pb), % 0 to 0.030
4.0 to 6.0
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 3.0
0
Nickel (Ni), % 3.7 to 6.0
0 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0 to 0.1
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0 to 0.1
4.0 to 6.0
Zinc (Zn), % 0 to 0.5
4.0 to 6.0