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C18400 Copper vs. C81500 Copper

Both C18400 copper and C81500 copper are copper alloys. Their average alloy composition is basically identical. There are 28 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 C18400 copper and the bottom bar is C81500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 13 to 50
17
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 44
44
Tensile Strength: Ultimate (UTS), MPa 270 to 490
350
Tensile Strength: Yield (Proof), MPa 110 to 480
280

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 1080
1090
Melting Onset (Solidus), °C 1070
1080
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 320
320
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
82
Electrical Conductivity: Equal Weight (Specific), % IACS 81
83

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63 to 120
56
Resilience: Unit (Modulus of Resilience), kJ/m3 54 to 980
330
Stiffness to Weight: Axial, points 7.3
7.3
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.5 to 15
11
Strength to Weight: Bending, points 10 to 16
12
Thermal Diffusivity, mm2/s 94
91
Thermal Shock Resistance, points 9.6 to 17
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Arsenic (As), % 0 to 0.0050
0
Calcium (Ca), % 0 to 0.0050
0
Chromium (Cr), % 0.4 to 1.2
0.4 to 1.5
Copper (Cu), % 97.2 to 99.6
97.4 to 99.6
Iron (Fe), % 0 to 0.15
0 to 0.1
Lead (Pb), % 0
0 to 0.020
Lithium (Li), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.1
0 to 0.15
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.7
0 to 0.1
Residuals, % 0
0 to 0.5