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ASTM B817 Type I vs. AWS BAg-2

ASTM B817 type I belongs to the titanium alloys classification, while AWS BAg-2 belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (14, 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 I and the bottom bar is AWS BAg-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
82
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
31
Tensile Strength: Ultimate (UTS), MPa 770 to 960
180

Thermal Properties

Latent Heat of Fusion, J/g 410
130
Melting Completion (Liquidus), °C 1600
700
Melting Onset (Solidus), °C 1550
610
Specific Heat Capacity, J/kg-K 560
310
Thermal Expansion, µm/m-K 9.6
22

Otherwise Unclassified Properties

Density, g/cm3 4.4
8.9
Embodied Carbon, kg CO2/kg material 38
35
Embodied Energy, MJ/kg 610
550

Common Calculations

Stiffness to Weight: Axial, points 13
5.1
Stiffness to Weight: Bending, points 35
16
Strength to Weight: Axial, points 48 to 60
5.6
Strength to Weight: Bending, points 42 to 49
7.9
Thermal Shock Resistance, points 54 to 68
7.0

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Cadmium (Cd), % 0
17 to 19
Carbon (C), % 0 to 0.1
0
Chlorine (Cl), % 0 to 0.2
0
Copper (Cu), % 0
25 to 27
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.3
0
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
34 to 36
Sodium (Na), % 0 to 0.2
0
Titanium (Ti), % 87 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
19 to 23
Residuals, % 0
0 to 0.15