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Grade CW2M Nickel vs. Grade 27 Titanium

Grade CW2M nickel belongs to the nickel alloys classification, while grade 27 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade CW2M nickel and the bottom bar is grade 27 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 23
27
Fatigue Strength, MPa 190
170
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 83
41
Tensile Strength: Ultimate (UTS), MPa 560
270
Tensile Strength: Yield (Proof), MPa 310
230

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
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 70
37
Density, g/cm3 8.8
4.5
Embodied Carbon, kg CO2/kg material 12
33
Embodied Energy, MJ/kg 170
530
Embodied Water, L/kg 290
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
70
Resilience: Unit (Modulus of Resilience), kJ/m3 220
240
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 18
17
Strength to Weight: Bending, points 17
21
Thermal Shock Resistance, points 16
21

Alloy Composition


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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 0.2
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 0.18
Phosphorus (P), % 0 to 0.030
0
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
99 to 99.92
Tungsten (W), % 0 to 1.0
0
Residuals, % 0
0 to 0.4