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Grade CX2MW Nickel vs. AWS ERTi-5

Grade CX2MW nickel belongs to the nickel alloys classification, while AWS ERTi-5 belongs to the titanium alloys. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is grade CX2MW nickel and the bottom bar is AWS ERTi-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Elongation at Break, % 34
10
Fatigue Strength, MPa 260
470
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 84
40
Tensile Strength: Ultimate (UTS), MPa 620
900
Tensile Strength: Yield (Proof), MPa 350
830

Thermal Properties

Latent Heat of Fusion, J/g 330
410
Maximum Temperature: Mechanical, °C 980
340
Melting Completion (Liquidus), °C 1550
1610
Melting Onset (Solidus), °C 1490
1560
Specific Heat Capacity, J/kg-K 430
560
Thermal Conductivity, W/m-K 10
7.1
Thermal Expansion, µm/m-K 12
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 65
36
Density, g/cm3 8.9
4.4
Embodied Carbon, kg CO2/kg material 12
38
Embodied Energy, MJ/kg 170
610
Embodied Water, L/kg 290
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
87
Resilience: Unit (Modulus of Resilience), kJ/m3 290
3250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 19
56
Strength to Weight: Bending, points 18
46
Thermal Diffusivity, mm2/s 2.7
2.9
Thermal Shock Resistance, points 17
63

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0 to 0.020
0 to 0.050
Chromium (Cr), % 20 to 22.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 2.0 to 6.0
0 to 0.22
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 12.5 to 14.5
0
Nickel (Ni), % 51.3 to 63
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
88.2 to 90.9
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
3.5 to 4.5