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C18700 Copper vs. C94700 Bronze

Both C18700 copper and C94700 bronze are copper alloys. They have 88% 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 C94700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 9.0 to 9.6
7.9 to 32
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Tensile Strength: Ultimate (UTS), MPa 290 to 330
350 to 590
Tensile Strength: Yield (Proof), MPa 230 to 250
160 to 400

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 200
190
Melting Completion (Liquidus), °C 1080
1030
Melting Onset (Solidus), °C 950
900
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 380
54
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
12
Electrical Conductivity: Equal Weight (Specific), % IACS 99
12

Otherwise Unclassified Properties

Base Metal Price, % relative 30
34
Density, g/cm3 9.0
8.8
Embodied Carbon, kg CO2/kg material 2.6
3.5
Embodied Energy, MJ/kg 41
56
Embodied Water, L/kg 310
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
41 to 89
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 280
110 to 700
Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.0 to 10
11 to 19
Strength to Weight: Bending, points 11 to 12
13 to 18
Thermal Diffusivity, mm2/s 110
16
Thermal Shock Resistance, points 10 to 12
12 to 21

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.15
Copper (Cu), % 98 to 99.2
85 to 90
Iron (Fe), % 0
0 to 0.25
Lead (Pb), % 0.8 to 1.5
0 to 0.1
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
4.5 to 6.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
4.5 to 6.0
Zinc (Zn), % 0
1.0 to 2.5
Residuals, % 0
0 to 1.3