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Grade 5 Titanium vs. PAS

Grade 5 titanium and PAS belong to fundamentally different material chemistries. Grade 5 titanium is a metal, while PAS is a polymeric material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 10 material properties with values for both materials. Properties with values for just one material (35, 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 grade 5 titanium and the bottom bar is PAS.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 4.4
1.4
Elastic (Young's, Tensile) Modulus, GPa 110
2.7
Elongation at Break, % 8.6 to 11
40
Stiffness to Weight: Axial, points 13
1.1
Stiffness to Weight: Bending, points 35
34
Strength to Weight: Axial, points 62 to 75
17
Strength to Weight: Bending, points 50 to 56
31
Tensile Strength: Ultimate (UTS), MPa 1000 to 1190
83
Thermal Expansion, µm/m-K 8.9
49
Thermal Shock Resistance, points 76 to 91
45