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Grade 7 Titanium vs. Grade M35-1 Nickel

Grade 7 titanium belongs to the titanium alloys classification, while grade M35-1 nickel belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade 7 titanium and the bottom bar is grade M35-1 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
160
Elongation at Break, % 24
28
Fatigue Strength, MPa 250
130
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 38
62
Tensile Strength: Ultimate (UTS), MPa 420
500
Tensile Strength: Yield (Proof), MPa 340
190

Thermal Properties

Latent Heat of Fusion, J/g 420
280
Maximum Temperature: Mechanical, °C 320
900
Melting Completion (Liquidus), °C 1660
1280
Melting Onset (Solidus), °C 1610
1240
Specific Heat Capacity, J/kg-K 540
430
Thermal Conductivity, W/m-K 22
22
Thermal Expansion, µm/m-K 9.2
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
3.4

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.8
Embodied Carbon, kg CO2/kg material 47
8.2
Embodied Energy, MJ/kg 800
120
Embodied Water, L/kg 470
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
110
Resilience: Unit (Modulus of Resilience), kJ/m3 560
120
Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 35
21
Strength to Weight: Axial, points 26
16
Strength to Weight: Bending, points 28
16
Thermal Diffusivity, mm2/s 8.9
5.7
Thermal Shock Resistance, points 31
17

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.35
Copper (Cu), % 0
26 to 33
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 3.5
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
59.8 to 74
Niobium (Nb), % 0
0 to 0.5
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 0.030
Silicon (Si), % 0
0 to 1.3
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 98.7 to 99.88
0
Residuals, % 0 to 0.4
0