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CC330G Bronze vs. CC494K Bronze

Both CC330G bronze and CC494K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 84% of their average alloy composition in common.

For each property being compared, the top bar is CC330G bronze and the bottom bar is CC494K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
67
Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 20
7.6
Poisson's Ratio 0.34
0.35
Shear Modulus, GPa 42
39
Tensile Strength: Ultimate (UTS), MPa 530
210
Tensile Strength: Yield (Proof), MPa 190
94

Thermal Properties

Latent Heat of Fusion, J/g 230
180
Maximum Temperature: Mechanical, °C 220
160
Melting Completion (Liquidus), °C 1050
970
Melting Onset (Solidus), °C 1000
890
Specific Heat Capacity, J/kg-K 430
360
Thermal Conductivity, W/m-K 62
63
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
16
Electrical Conductivity: Equal Weight (Specific), % IACS 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 29
31
Density, g/cm3 8.4
9.1
Embodied Carbon, kg CO2/kg material 3.2
3.1
Embodied Energy, MJ/kg 52
50
Embodied Water, L/kg 390
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
13
Resilience: Unit (Modulus of Resilience), kJ/m3 170
43
Stiffness to Weight: Axial, points 7.5
6.4
Stiffness to Weight: Bending, points 19
17
Strength to Weight: Axial, points 18
6.5
Strength to Weight: Bending, points 17
8.8
Thermal Diffusivity, mm2/s 17
19
Thermal Shock Resistance, points 19
7.8

Alloy Composition

Aluminum (Al), % 8.0 to 10.5
0 to 0.010
Antimony (Sb), % 0
0 to 0.5
Copper (Cu), % 87 to 92
78 to 87
Iron (Fe), % 0 to 1.2
0 to 0.25
Lead (Pb), % 0 to 0.3
8.0 to 10
Manganese (Mn), % 0 to 0.5
0 to 0.2
Nickel (Ni), % 0 to 1.0
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 0.3
4.0 to 6.0
Zinc (Zn), % 0 to 0.5
0 to 2.0