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Nickel 686 vs. AWS E16-8-2

Nickel 686 belongs to the nickel alloys classification, while AWS E16-8-2 belongs to the iron alloys. They have a modest 28% 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 nickel 686 and the bottom bar is AWS E16-8-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 51
40
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 780
620

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Melting Completion (Liquidus), °C 1380
1440
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 9.8
16
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 70
15
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 12
3.2
Embodied Energy, MJ/kg 170
45
Embodied Water, L/kg 300
140

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 24
22
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 2.6
4.2
Thermal Shock Resistance, points 21
16

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.1
Chromium (Cr), % 19 to 23
14.5 to 16.5
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 0 to 5.0
68 to 76.5
Manganese (Mn), % 0 to 0.75
0.5 to 2.5
Molybdenum (Mo), % 15 to 17
1.0 to 2.0
Nickel (Ni), % 49.5 to 63
7.5 to 9.5
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.080
0 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0.020 to 0.25
0
Tungsten (W), % 3.0 to 4.4
0