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C18700 Copper vs. C91600 Bronze

Both C18700 copper and C91600 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 (2, in this case) are not shown.

For each property being compared, the top bar is C18700 copper and the bottom bar is C91600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 9.0 to 9.6
11
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 290 to 330
310
Tensile Strength: Yield (Proof), MPa 230 to 250
160

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1080
1030
Melting Onset (Solidus), °C 950
860
Specific Heat Capacity, J/kg-K 380
370
Thermal Conductivity, W/m-K 380
71
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
10
Electrical Conductivity: Equal Weight (Specific), % IACS 99
10

Otherwise Unclassified Properties

Base Metal Price, % relative 30
36
Density, g/cm3 9.0
8.8
Embodied Carbon, kg CO2/kg material 2.6
3.7
Embodied Energy, MJ/kg 41
61
Embodied Water, L/kg 310
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
30
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 280
120
Stiffness to Weight: Axial, points 7.1
7.0
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.0 to 10
9.9
Strength to Weight: Bending, points 11 to 12
12
Thermal Diffusivity, mm2/s 110
22
Thermal Shock Resistance, points 10 to 12
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 98 to 99.2
85.9 to 89.1
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0.8 to 1.5
0 to 0.25
Nickel (Ni), % 0
1.2 to 2.0
Phosphorus (P), % 0
0 to 0.3
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
9.7 to 10.8
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0 to 0.5
0