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ASTM B522 Class II vs. R56401 Titanium

ASTM B522 class II belongs to the otherwise unclassified metals classification, while R56401 titanium belongs to the titanium alloys. There are 22 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 ASTM B522 class II and the bottom bar is R56401 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
110
Elongation at Break, % 1.1 to 28
9.1
Poisson's Ratio 0.41
0.32
Shear Modulus, GPa 34
40
Shear Strength, MPa 180 to 280
560
Tensile Strength: Ultimate (UTS), MPa 280 to 490
940
Tensile Strength: Yield (Proof), MPa 120 to 210
850

Thermal Properties

Latent Heat of Fusion, J/g 77
410
Melting Completion (Liquidus), °C 1030
1610
Melting Onset (Solidus), °C 1030
1560
Specific Heat Capacity, J/kg-K 160
560
Thermal Expansion, µm/m-K 15
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 5.7
2.0

Otherwise Unclassified Properties

Density, g/cm3 17
4.5

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4 to 63
83
Resilience: Unit (Modulus of Resilience), kJ/m3 75 to 230
3440
Stiffness to Weight: Axial, points 3.1
13
Stiffness to Weight: Bending, points 8.9
35
Strength to Weight: Axial, points 4.4 to 7.8
59
Strength to Weight: Bending, points 5.5 to 8.0
48
Thermal Shock Resistance, points 13 to 24
67

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Gold (Au), % 68.5 to 69.5
0
Hydrogen (H), % 0
0 to 0.012
Iron (Fe), % 0
0 to 0.25
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Platinum (Pt), % 5.5 to 6.5
0
Silver (Ag), % 24.5 to 25.5
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
88.5 to 91
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0 to 0.26
0