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Titanium 6-7 vs. ASTM B522 Class II

Titanium 6-7 belongs to the titanium alloys classification, while ASTM B522 class II belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (10, 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 titanium 6-7 and the bottom bar is ASTM B522 class II.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
96
Elongation at Break, % 11
1.1 to 28
Poisson's Ratio 0.33
0.41
Shear Modulus, GPa 45
34
Shear Strength, MPa 610
180 to 280
Tensile Strength: Ultimate (UTS), MPa 1020
280 to 490
Tensile Strength: Yield (Proof), MPa 900
120 to 210

Thermal Properties

Latent Heat of Fusion, J/g 410
77
Melting Completion (Liquidus), °C 1700
1030
Melting Onset (Solidus), °C 1650
1030
Specific Heat Capacity, J/kg-K 520
160
Thermal Expansion, µm/m-K 9.3
15

Otherwise Unclassified Properties

Density, g/cm3 5.1
17

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
4.4 to 63
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
75 to 230
Stiffness to Weight: Axial, points 13
3.1
Stiffness to Weight: Bending, points 32
8.9
Strength to Weight: Axial, points 56
4.4 to 7.8
Strength to Weight: Bending, points 44
5.5 to 8.0
Thermal Shock Resistance, points 66
13 to 24

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0
Gold (Au), % 0
68.5 to 69.5
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
0
Molybdenum (Mo), % 6.5 to 7.5
0
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Platinum (Pt), % 0
5.5 to 6.5
Silver (Ag), % 0
24.5 to 25.5
Sulfur (S), % 0
0 to 0.010
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0
Residuals, % 0
0 to 0.26