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C94400 Bronze vs. CC493K Bronze

Both C94400 bronze and CC493K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is C94400 bronze and the bottom bar is CC493K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
74
Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 18
14
Poisson's Ratio 0.35
0.34
Shear Modulus, GPa 37
39
Tensile Strength: Ultimate (UTS), MPa 220
270
Tensile Strength: Yield (Proof), MPa 110
140

Thermal Properties

Latent Heat of Fusion, J/g 180
180
Maximum Temperature: Mechanical, °C 150
160
Melting Completion (Liquidus), °C 940
960
Melting Onset (Solidus), °C 790
880
Specific Heat Capacity, J/kg-K 350
360
Thermal Conductivity, W/m-K 52
61
Thermal Expansion, µm/m-K 19
19

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
8.9
Embodied Carbon, kg CO2/kg material 3.4
3.3
Embodied Energy, MJ/kg 54
53
Embodied Water, L/kg 390
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
33
Resilience: Unit (Modulus of Resilience), kJ/m3 60
89
Stiffness to Weight: Axial, points 6.1
6.5
Stiffness to Weight: Bending, points 17
18
Strength to Weight: Axial, points 6.8
8.6
Strength to Weight: Bending, points 9.0
11
Thermal Diffusivity, mm2/s 17
19
Thermal Shock Resistance, points 8.3
10

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.010
Antimony (Sb), % 0 to 0.8
0 to 0.3
Copper (Cu), % 76.1 to 84
79 to 86
Iron (Fe), % 0 to 0.15
0 to 0.2
Lead (Pb), % 9.0 to 12
5.0 to 8.0
Nickel (Ni), % 0 to 1.0
0 to 2.0
Phosphorus (P), % 0 to 0.050
0 to 0.1
Silicon (Si), % 0 to 0.0050
0 to 0.010
Sulfur (S), % 0 to 0.080
0 to 0.1
Tin (Sn), % 7.0 to 9.0
5.2 to 8.0
Zinc (Zn), % 0 to 0.8
2.0 to 5.0