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C18400 Copper vs. C55281 Copper

Both C18400 copper and C55281 copper are copper alloys. They have 89% of their average alloy composition in common. There are 18 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C18400 copper and the bottom bar is C55281 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 270 to 490
190

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 1080
810
Melting Onset (Solidus), °C 1070
640
Specific Heat Capacity, J/kg-K 390
400
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 2.6
7.0
Embodied Energy, MJ/kg 41
110

Common Calculations

Stiffness to Weight: Axial, points 7.3
6.9
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.5 to 15
6.1
Strength to Weight: Bending, points 10 to 16
8.5
Thermal Shock Resistance, points 9.6 to 17
7.7

Alloy Composition

Arsenic (As), % 0 to 0.0050
0
Calcium (Ca), % 0 to 0.0050
0
Chromium (Cr), % 0.4 to 1.2
0
Copper (Cu), % 97.2 to 99.6
88.5 to 89.4
Iron (Fe), % 0 to 0.15
0
Lithium (Li), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.050
5.8 to 6.2
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
4.8 to 5.2
Zinc (Zn), % 0 to 0.7
0
Residuals, % 0
0 to 0.15