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C18700 Copper vs. C92700 Bronze

Both C18700 copper and C92700 bronze are copper alloys. They have 89% 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 C92700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 9.0 to 9.6
9.1
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 290 to 330
290
Tensile Strength: Yield (Proof), MPa 230 to 250
150

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1080
980
Melting Onset (Solidus), °C 950
840
Specific Heat Capacity, J/kg-K 380
370
Thermal Conductivity, W/m-K 380
47
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
11
Electrical Conductivity: Equal Weight (Specific), % IACS 99
11

Otherwise Unclassified Properties

Base Metal Price, % relative 30
35
Density, g/cm3 9.0
8.7
Embodied Carbon, kg CO2/kg material 2.6
3.6
Embodied Energy, MJ/kg 41
58
Embodied Water, L/kg 310
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
22
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 280
110
Stiffness to Weight: Axial, points 7.1
6.8
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.0 to 10
9.1
Strength to Weight: Bending, points 11 to 12
11
Thermal Diffusivity, mm2/s 110
15
Thermal Shock Resistance, points 10 to 12
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 98 to 99.2
86 to 89
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0.8 to 1.5
1.0 to 2.5
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 0.050
Tin (Sn), % 0
9.0 to 11
Zinc (Zn), % 0
0 to 0.7
Residuals, % 0
0 to 0.7