MakeItFrom.com
Menu (ESC)

C18700 Copper vs. C64200 Bronze

Both C18700 copper and C64200 bronze are copper alloys. They have a moderately high 90% of their average alloy composition in common.

For each property being compared, the top bar is C18700 copper and the bottom bar is C64200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 9.0 to 9.6
14 to 35
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
42
Shear Strength, MPa 170 to 190
330 to 390
Tensile Strength: Ultimate (UTS), MPa 290 to 330
540 to 640
Tensile Strength: Yield (Proof), MPa 230 to 250
230 to 320

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
210
Melting Completion (Liquidus), °C 1080
1000
Melting Onset (Solidus), °C 950
980
Specific Heat Capacity, J/kg-K 380
430
Thermal Conductivity, W/m-K 380
45
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 99
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
29
Density, g/cm3 9.0
8.3
Embodied Carbon, kg CO2/kg material 2.6
3.0
Embodied Energy, MJ/kg 41
50
Embodied Water, L/kg 310
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
73 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 280
240 to 470
Stiffness to Weight: Axial, points 7.1
7.5
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.0 to 10
18 to 21
Strength to Weight: Bending, points 11 to 12
18 to 20
Thermal Diffusivity, mm2/s 110
13
Thermal Shock Resistance, points 10 to 12
20 to 23

Alloy Composition

Aluminum (Al), % 0
6.3 to 7.6
Arsenic (As), % 0
0 to 0.15
Copper (Cu), % 98 to 99.2
88.2 to 92.2
Iron (Fe), % 0
0 to 0.3
Lead (Pb), % 0.8 to 1.5
0 to 0.050
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.25
Silicon (Si), % 0
1.5 to 2.2
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5