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Grade 5 Titanium vs. PPS

Grade 5 titanium and PPS belong to fundamentally different material chemistries. Grade 5 titanium is a metal, while PPS is a polymeric material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 7 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 grade 5 titanium and the bottom bar is PPS.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 4.4
1.3 to 1.7
Elongation at Break, % 8.6 to 11
2.5 to 11
Specific Heat Capacity, J/kg-K 560
910 to 1000
Strength to Weight: Axial, points 62 to 75
16 to 37
Strength to Weight: Bending, points 50 to 56
30 to 52
Tensile Strength: Ultimate (UTS), MPa 1000 to 1190
75 to 190
Thermal Expansion, µm/m-K 8.9
20 to 45