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Grade 7 Titanium vs. Grade M30C Nickel

Grade 7 titanium belongs to the titanium alloys classification, while grade M30C 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 M30C nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
160
Elongation at Break, % 24
29
Fatigue Strength, MPa 250
170
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 38
61
Tensile Strength: Ultimate (UTS), MPa 420
510
Tensile Strength: Yield (Proof), MPa 340
250

Thermal Properties

Latent Heat of Fusion, J/g 420
290
Maximum Temperature: Mechanical, °C 320
900
Melting Completion (Liquidus), °C 1660
1290
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
9.5
Embodied Energy, MJ/kg 800
140
Embodied Water, L/kg 470
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
120
Resilience: Unit (Modulus of Resilience), kJ/m3 560
200
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
18

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.3
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
56.6 to 72
Niobium (Nb), % 0
1.0 to 3.0
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
1.0 to 2.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 98.7 to 99.88
0
Residuals, % 0 to 0.4
0