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Grade CX2M Nickel vs. AWS E349

Grade CX2M nickel belongs to the nickel alloys classification, while AWS E349 belongs to the iron alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 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 CX2M nickel and the bottom bar is AWS E349.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 45
29
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
78
Tensile Strength: Ultimate (UTS), MPa 550
770

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Melting Completion (Liquidus), °C 1500
1470
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 10
15
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 65
25
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 12
4.9
Embodied Energy, MJ/kg 160
72
Embodied Water, L/kg 310
150

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
27
Strength to Weight: Bending, points 17
24
Thermal Diffusivity, mm2/s 2.7
4.1
Thermal Shock Resistance, points 15
20

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.13
Chromium (Cr), % 22 to 24
18 to 21
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 0 to 1.5
60.5 to 71.1
Manganese (Mn), % 0 to 1.0
0.5 to 2.5
Molybdenum (Mo), % 15 to 16.5
0.35 to 0.65
Nickel (Ni), % 56.4 to 63
8.0 to 10
Niobium (Nb), % 0
0.75 to 1.2
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0
0 to 0.15
Tungsten (W), % 0
1.3 to 1.8
Vanadium (V), % 0
0.1 to 0.3