MakeItFrom.com
Menu (ESC)

5251 Aluminum vs. C71500 Copper-nickel

5251 aluminum belongs to the aluminum alloys classification, while C71500 copper-nickel belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 5251 aluminum and the bottom bar is C71500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
52
Tensile Strength: Ultimate (UTS), MPa 180 to 280
380 to 620

Thermal Properties

Latent Heat of Fusion, J/g 400
230
Maximum Temperature: Mechanical, °C 180
260
Melting Completion (Liquidus), °C 650
1240
Melting Onset (Solidus), °C 610
1170
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 150
28
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
4.6
Electrical Conductivity: Equal Weight (Specific), % IACS 120
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
41
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 8.5
5.1
Embodied Energy, MJ/kg 150
74
Embodied Water, L/kg 1180
280

Common Calculations

Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 18 to 29
12 to 19
Strength to Weight: Bending, points 26 to 35
13 to 18
Thermal Diffusivity, mm2/s 61
7.7
Thermal Shock Resistance, points 7.9 to 13
12 to 20

Alloy Composition

Aluminum (Al), % 95.5 to 98.2
0
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
63.5 to 70.6
Iron (Fe), % 0 to 0.5
0.4 to 1.0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 1.7 to 2.4
0
Manganese (Mn), % 0.1 to 0.5
0 to 1.0
Nickel (Ni), % 0
29 to 33
Silicon (Si), % 0 to 0.4
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.15
0 to 1.0
Residuals, % 0
0 to 0.5