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AWS E349 vs. Grade CX2MW Nickel

AWS E349 belongs to the iron alloys classification, while grade CX2MW nickel belongs to the nickel alloys. They have a modest 36% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 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 AWS E349 and the bottom bar is grade CX2MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 29
34
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
84
Tensile Strength: Ultimate (UTS), MPa 770
620

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Melting Completion (Liquidus), °C 1470
1550
Melting Onset (Solidus), °C 1420
1490
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 15
10
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 25
65
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 4.9
12
Embodied Energy, MJ/kg 72
170
Embodied Water, L/kg 150
290

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27
19
Strength to Weight: Bending, points 24
18
Thermal Diffusivity, mm2/s 4.1
2.7
Thermal Shock Resistance, points 20
17

Alloy Composition

Carbon (C), % 0 to 0.13
0 to 0.020
Chromium (Cr), % 18 to 21
20 to 22.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 60.5 to 71.1
2.0 to 6.0
Manganese (Mn), % 0.5 to 2.5
0 to 1.0
Molybdenum (Mo), % 0.35 to 0.65
12.5 to 14.5
Nickel (Ni), % 8.0 to 10
51.3 to 63
Niobium (Nb), % 0.75 to 1.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.025
Titanium (Ti), % 0 to 0.15
0
Tungsten (W), % 1.3 to 1.8
2.5 to 3.5
Vanadium (V), % 0.1 to 0.3
0 to 0.35