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CC499K Bronze vs. CC497K Bronze

Both CC499K bronze and CC497K 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 CC499K bronze and the bottom bar is CC497K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
55
Elastic (Young's, Tensile) Modulus, GPa 110
93
Elongation at Break, % 13
6.7
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 41
34
Tensile Strength: Ultimate (UTS), MPa 260
190
Tensile Strength: Yield (Proof), MPa 120
91

Thermal Properties

Latent Heat of Fusion, J/g 190
160
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 1000
870
Melting Onset (Solidus), °C 920
800
Specific Heat Capacity, J/kg-K 370
330
Thermal Conductivity, W/m-K 73
53
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 32
29
Density, g/cm3 8.8
9.3
Embodied Carbon, kg CO2/kg material 3.1
3.0
Embodied Energy, MJ/kg 51
48
Embodied Water, L/kg 350
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
10
Resilience: Unit (Modulus of Resilience), kJ/m3 65
45
Stiffness to Weight: Axial, points 6.9
5.5
Stiffness to Weight: Bending, points 18
16
Strength to Weight: Axial, points 8.1
5.6
Strength to Weight: Bending, points 10
7.8
Thermal Diffusivity, mm2/s 22
17
Thermal Shock Resistance, points 9.2
7.2

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.010
Antimony (Sb), % 0 to 0.1
0 to 0.75
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
67.5 to 77.5
Iron (Fe), % 0 to 0.3
0 to 0.25
Lead (Pb), % 0 to 3.0
18 to 23
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.6
0.5 to 2.5
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
4.0 to 6.0
Zinc (Zn), % 4.0 to 6.0
0 to 2.0