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PES vs. 707.0 Aluminum

PES and 707.0 aluminum belong to fundamentally different material chemistries. PES is a polymeric material, while 707.0 aluminum is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 14 material properties with values for both materials. Properties with values for just one material (33, 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 PES and the bottom bar is 707.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 2.6
70
Elongation at Break, % 65
1.7 to 3.4
Tensile Strength: Ultimate (UTS), MPa 87
270 to 300

Thermal Properties

Maximum Temperature: Mechanical, °C 200
180
Specific Heat Capacity, J/kg-K 1100
880
Thermal Conductivity, W/m-K 0.18
150
Thermal Expansion, µm/m-K 53
24

Otherwise Unclassified Properties

Density, g/cm3 1.4
2.9

Common Calculations

Stiffness to Weight: Axial, points 1.1
13
Stiffness to Weight: Bending, points 33
47
Strength to Weight: Axial, points 18
26 to 29
Strength to Weight: Bending, points 32
32 to 34
Thermal Diffusivity, mm2/s 0.12
58
Thermal Shock Resistance, points 45
12 to 13