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C18700 Copper vs. C19025 Copper

Both C18700 copper and C19025 copper are copper alloys. They have a very high 98% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C18700 copper and the bottom bar is C19025 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 9.0 to 9.6
8.0 to 17
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Shear Strength, MPa 170 to 190
300 to 360
Tensile Strength: Ultimate (UTS), MPa 290 to 330
480 to 620

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 1080
1080
Melting Onset (Solidus), °C 950
1020
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 380
160
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
40
Electrical Conductivity: Equal Weight (Specific), % IACS 99
40

Otherwise Unclassified Properties

Base Metal Price, % relative 30
31
Density, g/cm3 9.0
8.9
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 41
44
Embodied Water, L/kg 310
320

Common Calculations

Stiffness to Weight: Axial, points 7.1
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.0 to 10
15 to 19
Strength to Weight: Bending, points 11 to 12
15 to 18
Thermal Diffusivity, mm2/s 110
47
Thermal Shock Resistance, points 10 to 12
17 to 22

Alloy Composition

Copper (Cu), % 98 to 99.2
97.1 to 98.5
Lead (Pb), % 0.8 to 1.5
0
Nickel (Ni), % 0
0.8 to 1.2
Phosphorus (P), % 0
0.030 to 0.070
Tin (Sn), % 0
0.7 to 1.1
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.3