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Grade 28 Titanium vs. EN 2.4668 Nickel

Grade 28 titanium belongs to the titanium alloys classification, while EN 2.4668 nickel belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade 28 titanium and the bottom bar is EN 2.4668 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11 to 17
14
Fatigue Strength, MPa 330 to 480
590
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
75
Shear Strength, MPa 420 to 590
840
Tensile Strength: Ultimate (UTS), MPa 690 to 980
1390
Tensile Strength: Yield (Proof), MPa 540 to 810
1160

Thermal Properties

Latent Heat of Fusion, J/g 410
310
Maximum Temperature: Mechanical, °C 330
980
Melting Completion (Liquidus), °C 1640
1460
Melting Onset (Solidus), °C 1590
1410
Specific Heat Capacity, J/kg-K 550
450
Thermal Conductivity, W/m-K 8.3
13
Thermal Expansion, µm/m-K 9.9
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 36
75
Density, g/cm3 4.5
8.3
Embodied Carbon, kg CO2/kg material 37
13
Embodied Energy, MJ/kg 600
190
Embodied Water, L/kg 370
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 110
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1370 to 3100
3490
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 43 to 61
46
Strength to Weight: Bending, points 39 to 49
33
Thermal Diffusivity, mm2/s 3.4
3.5
Thermal Shock Resistance, points 47 to 66
40

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0.3 to 0.7
Boron (B), % 0
0.0020 to 0.0060
Carbon (C), % 0 to 0.080
0.020 to 0.080
Chromium (Cr), % 0
17 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
11.2 to 24.6
Manganese (Mn), % 0
0 to 0.35
Molybdenum (Mo), % 0
2.8 to 3.3
Nickel (Ni), % 0
50 to 55
Niobium (Nb), % 0
4.7 to 5.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.015
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0 to 0.35
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 92.4 to 95.4
0.6 to 1.2
Vanadium (V), % 2.0 to 3.0
0
Residuals, % 0 to 0.4
0