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CC496K Bronze vs. C94400 Bronze

Both CC496K bronze and C94400 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 95% of their average alloy composition in common.

For each property being compared, the top bar is CC496K bronze and the bottom bar is C94400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 72
55
Elastic (Young's, Tensile) Modulus, GPa 97
100
Elongation at Break, % 8.6
18
Poisson's Ratio 0.35
0.35
Shear Modulus, GPa 36
37
Tensile Strength: Ultimate (UTS), MPa 210
220
Tensile Strength: Yield (Proof), MPa 99
110

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 140
150
Melting Completion (Liquidus), °C 900
940
Melting Onset (Solidus), °C 820
790
Specific Heat Capacity, J/kg-K 340
350
Thermal Conductivity, W/m-K 52
52
Thermal Expansion, µm/m-K 19
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
10
Electrical Conductivity: Equal Weight (Specific), % IACS 11
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
32
Density, g/cm3 9.2
9.1
Embodied Carbon, kg CO2/kg material 3.3
3.4
Embodied Energy, MJ/kg 52
54
Embodied Water, L/kg 380
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
33
Resilience: Unit (Modulus of Resilience), kJ/m3 50
60
Stiffness to Weight: Axial, points 5.9
6.1
Stiffness to Weight: Bending, points 17
17
Strength to Weight: Axial, points 6.5
6.8
Strength to Weight: Bending, points 8.6
9.0
Thermal Diffusivity, mm2/s 17
17
Thermal Shock Resistance, points 8.1
8.3

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0050
Antimony (Sb), % 0 to 0.5
0 to 0.8
Copper (Cu), % 72 to 79.5
76.1 to 84
Iron (Fe), % 0 to 0.25
0 to 0.15
Lead (Pb), % 13 to 17
9.0 to 12
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0.5 to 2.0
0 to 1.0
Phosphorus (P), % 0 to 0.1
0 to 0.050
Silicon (Si), % 0 to 0.010
0 to 0.0050
Sulfur (S), % 0 to 0.1
0 to 0.080
Tin (Sn), % 6.0 to 8.0
7.0 to 9.0
Zinc (Zn), % 0 to 2.0
0 to 0.8