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AWS ERTi-1 vs. Grade 365 Molybdenum

AWS ERTi-1 belongs to the titanium alloys classification, while grade 365 molybdenum belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (9, 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 ERTi-1 and the bottom bar is grade 365 molybdenum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
310
Elongation at Break, % 24
6.3
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 41
120
Tensile Strength: Ultimate (UTS), MPa 240
620
Tensile Strength: Yield (Proof), MPa 170
530

Thermal Properties

Latent Heat of Fusion, J/g 420
370
Specific Heat Capacity, J/kg-K 540
250
Thermal Expansion, µm/m-K 8.7
7.0

Otherwise Unclassified Properties

Density, g/cm3 4.5
10
Embodied Carbon, kg CO2/kg material 31
28
Embodied Energy, MJ/kg 510
330
Embodied Water, L/kg 110
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
37
Resilience: Unit (Modulus of Resilience), kJ/m3 140
450
Stiffness to Weight: Axial, points 13
17
Stiffness to Weight: Bending, points 35
22
Strength to Weight: Axial, points 15
17
Strength to Weight: Bending, points 19
16
Thermal Shock Resistance, points 19
21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.010
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.080
0 to 0.010
Molybdenum (Mo), % 0
99.9 to 100
Nickel (Ni), % 0
0 to 0.0020
Nitrogen (N), % 0 to 0.012
0 to 0.0020
Oxygen (O), % 0.030 to 0.1
0 to 0.0015
Silicon (Si), % 0
0 to 0.010
Titanium (Ti), % 99.773 to 99.97
0