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PVC-P vs. 2018 Aluminum

PVC-P and 2018 aluminum belong to fundamentally different material chemistries. PVC-P is a polymeric material, while 2018 aluminum is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 16 material properties with values for both materials. Properties with values for just one material (26, 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 PVC-P and the bottom bar is 2018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.4
73
Elongation at Break, % 180
9.6
Poisson's Ratio 0.39
0.33
Tensile Strength: Ultimate (UTS), MPa 16
420

Thermal Properties

Maximum Temperature: Mechanical, °C 75
220
Melting Onset (Solidus), °C 190
510
Specific Heat Capacity, J/kg-K 1400
870
Thermal Conductivity, W/m-K 0.17
150
Thermal Expansion, µm/m-K 160
22

Otherwise Unclassified Properties

Density, g/cm3 1.4
3.1

Common Calculations

Stiffness to Weight: Axial, points 0.57
13
Stiffness to Weight: Bending, points 28
45
Strength to Weight: Axial, points 3.2
38
Strength to Weight: Bending, points 10
41
Thermal Diffusivity, mm2/s 0.090
57
Thermal Shock Resistance, points 4.9
19