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C18700 Copper vs. C65400 Bronze

Both C18700 copper and C65400 bronze are copper alloys. They have a very high 95% of their average alloy composition in common. There are 29 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 C65400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 9.0 to 9.6
2.6 to 47
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Shear Strength, MPa 170 to 190
350 to 530
Tensile Strength: Ultimate (UTS), MPa 290 to 330
500 to 1060
Tensile Strength: Yield (Proof), MPa 230 to 250
170 to 910

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 1080
1020
Melting Onset (Solidus), °C 950
960
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 380
36
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 99
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
31
Density, g/cm3 9.0
8.7
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 41
45
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
10 to 480
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 280
130 to 3640
Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.0 to 10
16 to 34
Strength to Weight: Bending, points 11 to 12
16 to 27
Thermal Diffusivity, mm2/s 110
10
Thermal Shock Resistance, points 10 to 12
18 to 39

Alloy Composition

Chromium (Cr), % 0
0.010 to 0.12
Copper (Cu), % 98 to 99.2
93.8 to 96.1
Lead (Pb), % 0.8 to 1.5
0 to 0.050
Silicon (Si), % 0
2.7 to 3.4
Tin (Sn), % 0
1.2 to 1.9
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.2

Comparable Variants