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Grade CW2M Nickel vs. Grade 20 Titanium

Grade CW2M nickel belongs to the nickel alloys classification, while grade 20 titanium belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade CW2M nickel and the bottom bar is grade 20 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Elongation at Break, % 23
5.7 to 17
Fatigue Strength, MPa 190
550 to 630
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 83
47
Tensile Strength: Ultimate (UTS), MPa 560
900 to 1270
Tensile Strength: Yield (Proof), MPa 310
850 to 1190

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 960
370
Melting Completion (Liquidus), °C 1520
1660
Melting Onset (Solidus), °C 1460
1600
Specific Heat Capacity, J/kg-K 430
520
Thermal Expansion, µm/m-K 12
9.6

Otherwise Unclassified Properties

Density, g/cm3 8.8
5.0
Embodied Carbon, kg CO2/kg material 12
52
Embodied Energy, MJ/kg 170
860
Embodied Water, L/kg 290
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 220
2940 to 5760
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
33
Strength to Weight: Axial, points 18
50 to 70
Strength to Weight: Bending, points 17
41 to 52
Thermal Shock Resistance, points 16
55 to 77

Alloy Composition

Aluminum (Al), % 0
3.0 to 4.0
Carbon (C), % 0 to 0.020
0 to 0.050
Chromium (Cr), % 15 to 17.5
5.5 to 6.5
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 0 to 2.0
0 to 0.3
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 15 to 17.5
3.5 to 4.5
Nickel (Ni), % 60.1 to 70
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.12
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
71 to 77
Tungsten (W), % 0 to 1.0
0
Vanadium (V), % 0
7.5 to 8.5
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4