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C94400 Bronze vs. CC499K Bronze

Both C94400 bronze and CC499K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 87% of their average alloy composition in common.

For each property being compared, the top bar is C94400 bronze and the bottom bar is CC499K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
73
Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 18
13
Poisson's Ratio 0.35
0.34
Shear Modulus, GPa 37
41
Tensile Strength: Ultimate (UTS), MPa 220
260
Tensile Strength: Yield (Proof), MPa 110
120

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 150
170
Melting Completion (Liquidus), °C 940
1000
Melting Onset (Solidus), °C 790
920
Specific Heat Capacity, J/kg-K 350
370
Thermal Conductivity, W/m-K 52
73
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
12
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 32
32
Density, g/cm3 9.1
8.8
Embodied Carbon, kg CO2/kg material 3.4
3.1
Embodied Energy, MJ/kg 54
51
Embodied Water, L/kg 390
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
27
Resilience: Unit (Modulus of Resilience), kJ/m3 60
65
Stiffness to Weight: Axial, points 6.1
6.9
Stiffness to Weight: Bending, points 17
18
Strength to Weight: Axial, points 6.8
8.1
Strength to Weight: Bending, points 9.0
10
Thermal Diffusivity, mm2/s 17
22
Thermal Shock Resistance, points 8.3
9.2

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.010
Antimony (Sb), % 0 to 0.8
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.020
Cadmium (Cd), % 0
0 to 0.020
Chromium (Cr), % 0
0 to 0.020
Copper (Cu), % 76.1 to 84
84 to 88
Iron (Fe), % 0 to 0.15
0 to 0.3
Lead (Pb), % 9.0 to 12
0 to 3.0
Nickel (Ni), % 0 to 1.0
0 to 0.6
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0 to 0.0050
0 to 0.010
Sulfur (S), % 0 to 0.080
0 to 0.040
Tin (Sn), % 7.0 to 9.0
4.0 to 6.0
Zinc (Zn), % 0 to 0.8
4.0 to 6.0