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AWS BMg-1 vs. Grade Ti-Pd7B Titanium

AWS BMg-1 belongs to the magnesium alloys classification, while grade Ti-Pd7B titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 AWS BMg-1 and the bottom bar is grade Ti-Pd7B titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 47
110
Elongation at Break, % 3.8
17
Fatigue Strength, MPa 72
200
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 18
40
Tensile Strength: Ultimate (UTS), MPa 180
390
Tensile Strength: Yield (Proof), MPa 110
310

Thermal Properties

Latent Heat of Fusion, J/g 350
420
Maximum Temperature: Mechanical, °C 130
320
Melting Completion (Liquidus), °C 600
1660
Melting Onset (Solidus), °C 440
1610
Specific Heat Capacity, J/kg-K 980
540
Thermal Conductivity, W/m-K 76
22
Thermal Expansion, µm/m-K 26
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 55
7.1

Otherwise Unclassified Properties

Density, g/cm3 1.8
4.5
Embodied Carbon, kg CO2/kg material 22
49
Embodied Energy, MJ/kg 160
840
Embodied Water, L/kg 980
520

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.9
62
Resilience: Unit (Modulus of Resilience), kJ/m3 120
440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 66
35
Strength to Weight: Axial, points 27
24
Strength to Weight: Bending, points 39
26
Thermal Diffusivity, mm2/s 43
8.9
Thermal Shock Resistance, points 10
30

Alloy Composition


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Aluminum (Al), % 8.3 to 9.7
0
Beryllium (Be), % 0.00020 to 0.00080
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 0 to 0.050
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.0050
0 to 0.2
Magnesium (Mg), % 86.1 to 89.8
0
Manganese (Mn), % 0.15 to 1.5
0
Nickel (Ni), % 0 to 0.0050
0 to 0.050
Oxygen (O), % 0
0 to 0.4
Palladium (Pd), % 0
0.12 to 0.3
Silicon (Si), % 0 to 0.050
0
Titanium (Ti), % 0
98.8 to 99.9
Zinc (Zn), % 1.7 to 2.3
0
Residuals, % 0 to 0.3
0 to 0.4