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AWS ERNiMo-3 vs. Grade 2 Titanium

AWS ERNiMo-3 belongs to the nickel alloys classification, while grade 2 titanium belongs to the titanium alloys. There are 19 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 AWS ERNiMo-3 and the bottom bar is grade 2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 83
38
Tensile Strength: Ultimate (UTS), MPa 770
420

Thermal Properties

Latent Heat of Fusion, J/g 320
420
Melting Completion (Liquidus), °C 1600
1660
Melting Onset (Solidus), °C 1540
1610
Specific Heat Capacity, J/kg-K 400
540
Thermal Expansion, µm/m-K 11
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 70
37
Density, g/cm3 9.1
4.5
Embodied Carbon, kg CO2/kg material 15
31
Embodied Energy, MJ/kg 190
510
Embodied Water, L/kg 270
110

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
35
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 21
28
Thermal Shock Resistance, points 24
32

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.080
Chromium (Cr), % 4.0 to 6.0
0
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0 to 0.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 4.0 to 7.0
0 to 0.3
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 23 to 26
0
Nickel (Ni), % 53.7 to 69
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
98.9 to 100
Tungsten (W), % 0 to 1.0
0
Vanadium (V), % 0 to 0.6
0
Residuals, % 0
0 to 0.4