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CC499K Bronze vs. CC496K Bronze

Both CC499K bronze and CC496K 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 CC499K bronze and the bottom bar is CC496K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
72
Elastic (Young's, Tensile) Modulus, GPa 110
97
Elongation at Break, % 13
8.6
Poisson's Ratio 0.34
0.35
Shear Modulus, GPa 41
36
Tensile Strength: Ultimate (UTS), MPa 260
210
Tensile Strength: Yield (Proof), MPa 120
99

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 1000
900
Melting Onset (Solidus), °C 920
820
Specific Heat Capacity, J/kg-K 370
340
Thermal Conductivity, W/m-K 73
52
Thermal Expansion, µm/m-K 18
19

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 32
31
Density, g/cm3 8.8
9.2
Embodied Carbon, kg CO2/kg material 3.1
3.3
Embodied Energy, MJ/kg 51
52
Embodied Water, L/kg 350
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
15
Resilience: Unit (Modulus of Resilience), kJ/m3 65
50
Stiffness to Weight: Axial, points 6.9
5.9
Stiffness to Weight: Bending, points 18
17
Strength to Weight: Axial, points 8.1
6.5
Strength to Weight: Bending, points 10
8.6
Thermal Diffusivity, mm2/s 22
17
Thermal Shock Resistance, points 9.2
8.1

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.010
Antimony (Sb), % 0 to 0.1
0 to 0.5
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
72 to 79.5
Iron (Fe), % 0 to 0.3
0 to 0.25
Lead (Pb), % 0 to 3.0
13 to 17
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.6
0.5 to 2.0
Phosphorus (P), % 0 to 0.040
0 to 0.1
Silicon (Si), % 0 to 0.010
0 to 0.010
Sulfur (S), % 0 to 0.040
0 to 0.1
Tin (Sn), % 4.0 to 6.0
6.0 to 8.0
Zinc (Zn), % 4.0 to 6.0
0 to 2.0