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Grade 7 Titanium vs. Grade CW6M Nickel

Grade 7 titanium belongs to the titanium alloys classification, while grade CW6M 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.

For each property being compared, the top bar is grade 7 titanium and the bottom bar is grade CW6M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Elongation at Break, % 24
29
Fatigue Strength, MPa 250
210
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 38
84
Tensile Strength: Ultimate (UTS), MPa 420
560
Tensile Strength: Yield (Proof), MPa 340
310

Thermal Properties

Latent Heat of Fusion, J/g 420
330
Maximum Temperature: Mechanical, °C 320
970
Melting Completion (Liquidus), °C 1660
1530
Melting Onset (Solidus), °C 1610
1470
Specific Heat Capacity, J/kg-K 540
430
Thermal Expansion, µm/m-K 9.2
12

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.8
Embodied Carbon, kg CO2/kg material 47
13
Embodied Energy, MJ/kg 800
170
Embodied Water, L/kg 470
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
140
Resilience: Unit (Modulus of Resilience), kJ/m3 560
220
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 26
18
Strength to Weight: Bending, points 28
17
Thermal Shock Resistance, points 31
16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.070
Chromium (Cr), % 0
17 to 20
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 3.0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
17 to 20
Nickel (Ni), % 0
54.9 to 66
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
Residuals, % 0 to 0.4
0