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Grade 7 Titanium vs. Grade N12MV Nickel

Grade 7 titanium belongs to the titanium alloys classification, while grade N12MV nickel belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 grade 7 titanium and the bottom bar is grade N12MV nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Elongation at Break, % 24
6.8
Fatigue Strength, MPa 250
130
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 38
84
Tensile Strength: Ultimate (UTS), MPa 420
600
Tensile Strength: Yield (Proof), MPa 340
310

Thermal Properties

Latent Heat of Fusion, J/g 420
320
Maximum Temperature: Mechanical, °C 320
900
Melting Completion (Liquidus), °C 1660
1620
Melting Onset (Solidus), °C 1610
1570
Specific Heat Capacity, J/kg-K 540
390
Thermal Expansion, µm/m-K 9.2
10

Otherwise Unclassified Properties

Density, g/cm3 4.5
9.2
Embodied Carbon, kg CO2/kg material 47
16
Embodied Energy, MJ/kg 800
200
Embodied Water, L/kg 470
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
34
Resilience: Unit (Modulus of Resilience), kJ/m3 560
220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
22
Strength to Weight: Axial, points 26
18
Strength to Weight: Bending, points 28
17
Thermal Shock Resistance, points 31
19

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.12
Chromium (Cr), % 0
0 to 1.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
4.0 to 6.0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
26 to 30
Nickel (Ni), % 0
60.2 to 69.8
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.12 to 0.25
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 98.7 to 99.88
0
Vanadium (V), % 0
0.2 to 0.6
Residuals, % 0 to 0.4
0