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ASTM B817 Type II vs. R05252 Alloy

ASTM B817 type II belongs to the titanium alloys classification, while R05252 alloy belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (8, 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 B817 type II and the bottom bar is R05252 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 3.0 to 13
23
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 900 to 960
310
Tensile Strength: Yield (Proof), MPa 780 to 900
220

Thermal Properties

Latent Heat of Fusion, J/g 400
140
Specific Heat Capacity, J/kg-K 550
140
Thermal Expansion, µm/m-K 9.9
6.7

Otherwise Unclassified Properties

Density, g/cm3 4.6
17
Embodied Water, L/kg 220
600

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 120
63
Resilience: Unit (Modulus of Resilience), kJ/m3 2890 to 3890
120
Stiffness to Weight: Axial, points 13
6.5
Stiffness to Weight: Bending, points 34
12
Strength to Weight: Axial, points 55 to 58
5.2
Strength to Weight: Bending, points 45 to 47
6.1
Thermal Shock Resistance, points 62 to 66
17

Alloy Composition


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Aluminum (Al), % 5.0 to 6.0
0
Carbon (C), % 0 to 0.1
0 to 0.010
Chlorine (Cl), % 0 to 0.2
0
Copper (Cu), % 0.35 to 1.0
0
Hydrogen (H), % 0 to 0.015
0 to 0.0015
Iron (Fe), % 0.35 to 1.0
0 to 0.010
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0
0 to 0.010
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0 to 0.040
0 to 0.010
Oxygen (O), % 0 to 0.3
0 to 0.015
Silicon (Si), % 0 to 0.1
0 to 0.0050
Sodium (Na), % 0 to 0.2
0
Tantalum (Ta), % 0
88.8 to 91
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 82.1 to 87.8
0 to 0.010
Tungsten (W), % 0
9.0 to 11
Vanadium (V), % 5.0 to 6.0
0
Residuals, % 0 to 0.4
0