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AWS E318 vs. Nickel 242

AWS E318 belongs to the iron alloys classification, while nickel 242 belongs to the nickel alloys. They have a modest 25% 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 (7, in this case) are not shown.

For each property being compared, the top bar is AWS E318 and the bottom bar is nickel 242.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 29
45
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 78
84
Tensile Strength: Ultimate (UTS), MPa 620
820

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1400
1290
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 23
75
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 4.4
14
Embodied Energy, MJ/kg 62
180
Embodied Water, L/kg 160
290

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 22
25
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 4.0
3.1
Thermal Shock Resistance, points 16
25

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 17 to 20
7.0 to 9.0
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0 to 0.75
0 to 0.5
Iron (Fe), % 57.6 to 69.5
0 to 2.0
Manganese (Mn), % 0.5 to 2.5
0 to 0.8
Molybdenum (Mo), % 2.0 to 3.0
24 to 26
Nickel (Ni), % 11 to 14
59.3 to 69
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.015