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Grade 28 Titanium vs. AWS ENiCrMo-3

Grade 28 titanium belongs to the titanium alloys classification, while AWS ENiCrMo-3 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 28 titanium and the bottom bar is AWS ENiCrMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 11 to 17
34
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
79
Tensile Strength: Ultimate (UTS), MPa 690 to 980
870

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Melting Completion (Liquidus), °C 1640
1480
Melting Onset (Solidus), °C 1590
1430
Specific Heat Capacity, J/kg-K 550
440
Thermal Conductivity, W/m-K 8.3
11
Thermal Expansion, µm/m-K 9.9
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 36
80
Density, g/cm3 4.5
8.6
Embodied Carbon, kg CO2/kg material 37
14
Embodied Energy, MJ/kg 600
190
Embodied Water, L/kg 370
290

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 43 to 61
28
Strength to Weight: Bending, points 39 to 49
24
Thermal Diffusivity, mm2/s 3.4
2.8
Thermal Shock Resistance, points 47 to 66
25

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 0
20 to 23
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 7.0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
55 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.030
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 92.4 to 95.4
0
Vanadium (V), % 2.0 to 3.0
0
Residuals, % 0
0 to 0.5