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Grade 5 Titanium vs. MDF

Grade 5 titanium and MDF belong to fundamentally different material chemistries. Grade 5 titanium is a metal, while MDF is a polymeric material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 15 material properties with values for both materials. Properties with values for just one material (19, 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 MDF.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
4.0
Elongation at Break, % 8.6 to 11
0.5
Poisson's Ratio 0.32
0.25
Shear Modulus, GPa 40
2.5
Tensile Strength: Ultimate (UTS), MPa 1000 to 1190
18

Thermal Properties

Specific Heat Capacity, J/kg-K 560
1700
Thermal Conductivity, W/m-K 6.8
0.3
Thermal Expansion, µm/m-K 8.9
12

Otherwise Unclassified Properties

Density, g/cm3 4.4
0.75

Common Calculations

Stiffness to Weight: Axial, points 13
3.0
Stiffness to Weight: Bending, points 35
71
Strength to Weight: Axial, points 62 to 75
6.7
Strength to Weight: Bending, points 50 to 56
20
Thermal Diffusivity, mm2/s 2.7
0.24
Thermal Shock Resistance, points 76 to 91
27