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Grade CX2MW Nickel vs. AWS ERTi-12

Grade CX2MW nickel belongs to the nickel alloys classification, while AWS ERTi-12 belongs to the titanium alloys.

For each property being compared, the top bar is grade CX2MW nickel and the bottom bar is AWS ERTi-12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Elongation at Break, % 34
12
Fatigue Strength, MPa 260
200
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 84
41
Tensile Strength: Ultimate (UTS), MPa 620
480
Tensile Strength: Yield (Proof), MPa 350
340

Thermal Properties

Latent Heat of Fusion, J/g 330
420
Maximum Temperature: Mechanical, °C 980
320
Melting Completion (Liquidus), °C 1550
1670
Melting Onset (Solidus), °C 1490
1620
Specific Heat Capacity, J/kg-K 430
540
Thermal Conductivity, W/m-K 10
21
Thermal Expansion, µm/m-K 12
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 65
37
Density, g/cm3 8.9
4.5
Embodied Carbon, kg CO2/kg material 12
31
Embodied Energy, MJ/kg 170
510
Embodied Water, L/kg 290
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
52
Resilience: Unit (Modulus of Resilience), kJ/m3 290
550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 19
30
Strength to Weight: Bending, points 18
30
Thermal Diffusivity, mm2/s 2.7
8.7
Thermal Shock Resistance, points 17
37

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 20 to 22.5
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 2.0 to 6.0
0 to 0.15
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 12.5 to 14.5
0.2 to 0.4
Nickel (Ni), % 51.3 to 63
0.060 to 0.090
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
99.147 to 99.66
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
0