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Grade 7 Titanium vs. EN 2.4680 Cast Nickel

Grade 7 titanium belongs to the titanium alloys classification, while EN 2.4680 cast nickel belongs to the nickel alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 7 titanium and the bottom bar is EN 2.4680 cast nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 24
9.1
Fatigue Strength, MPa 250
120
Poisson's Ratio 0.32
0.26
Shear Modulus, GPa 38
84
Tensile Strength: Ultimate (UTS), MPa 420
600
Tensile Strength: Yield (Proof), MPa 340
260

Thermal Properties

Latent Heat of Fusion, J/g 420
350
Maximum Temperature: Mechanical, °C 320
1050
Melting Completion (Liquidus), °C 1660
1360
Melting Onset (Solidus), °C 1610
1320
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 22
14
Thermal Expansion, µm/m-K 9.2
15

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.0
Embodied Carbon, kg CO2/kg material 47
9.1
Embodied Energy, MJ/kg 800
130
Embodied Water, L/kg 470
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
45
Resilience: Unit (Modulus of Resilience), kJ/m3 560
160
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 26
21
Strength to Weight: Bending, points 28
20
Thermal Diffusivity, mm2/s 8.9
3.7
Thermal Shock Resistance, points 31
14

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 0
48 to 52
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 1.0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
42.9 to 51
Niobium (Nb), % 0
1.0 to 1.8
Nitrogen (N), % 0 to 0.030
0 to 0.16
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.12 to 0.25
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 98.7 to 99.88
0
Residuals, % 0 to 0.4
0