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C18700 Copper vs. C94300 Bronze

Both C18700 copper and C94300 bronze are copper alloys. They have 71% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C18700 copper and the bottom bar is C94300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
87
Elongation at Break, % 9.0 to 9.6
9.7
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 43
32
Tensile Strength: Ultimate (UTS), MPa 290 to 330
180
Tensile Strength: Yield (Proof), MPa 230 to 250
120

Thermal Properties

Latent Heat of Fusion, J/g 210
150
Maximum Temperature: Mechanical, °C 200
110
Melting Completion (Liquidus), °C 1080
820
Melting Onset (Solidus), °C 950
760
Specific Heat Capacity, J/kg-K 380
320
Thermal Conductivity, W/m-K 380
63
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 99
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 30
28
Density, g/cm3 9.0
9.3
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 41
47
Embodied Water, L/kg 310
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
15
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 280
77
Stiffness to Weight: Axial, points 7.1
5.2
Stiffness to Weight: Bending, points 18
16
Strength to Weight: Axial, points 9.0 to 10
5.2
Strength to Weight: Bending, points 11 to 12
7.4
Thermal Diffusivity, mm2/s 110
21
Thermal Shock Resistance, points 10 to 12
7.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Copper (Cu), % 98 to 99.2
67 to 72
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 0.8 to 1.5
23 to 27
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.5 to 6.0
Zinc (Zn), % 0
0 to 0.8
Residuals, % 0
0 to 1.0