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Grade CW2M Nickel vs. Grade 7 Titanium

Grade CW2M nickel belongs to the nickel alloys classification, while grade 7 titanium belongs to the titanium 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 CW2M nickel and the bottom bar is grade 7 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 23
24
Fatigue Strength, MPa 190
250
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 83
38
Tensile Strength: Ultimate (UTS), MPa 560
420
Tensile Strength: Yield (Proof), MPa 310
340

Thermal Properties

Latent Heat of Fusion, J/g 330
420
Maximum Temperature: Mechanical, °C 960
320
Melting Completion (Liquidus), °C 1520
1660
Melting Onset (Solidus), °C 1460
1610
Specific Heat Capacity, J/kg-K 430
540
Thermal Expansion, µm/m-K 12
9.2

Otherwise Unclassified Properties

Density, g/cm3 8.8
4.5
Embodied Carbon, kg CO2/kg material 12
47
Embodied Energy, MJ/kg 170
800
Embodied Water, L/kg 290
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
95
Resilience: Unit (Modulus of Resilience), kJ/m3 220
560
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 18
26
Strength to Weight: Bending, points 17
28
Thermal Shock Resistance, points 16
31

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.080
Chromium (Cr), % 15 to 17.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 2.0
0 to 0.3
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 15 to 17.5
0
Nickel (Ni), % 60.1 to 70
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.12 to 0.25
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
98.7 to 99.88
Tungsten (W), % 0 to 1.0
0
Residuals, % 0
0 to 0.4