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Nickel 686 vs. AWS E3155

Nickel 686 belongs to the nickel alloys classification, while AWS E3155 belongs to the iron alloys. They have 49% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is nickel 686 and the bottom bar is AWS E3155.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
210
Elongation at Break, % 51
23
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
81
Tensile Strength: Ultimate (UTS), MPa 780
770

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 420
450
Thermal Conductivity, W/m-K 9.8
13
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
70
Density, g/cm3 9.0
8.4
Embodied Carbon, kg CO2/kg material 12
7.7
Embodied Energy, MJ/kg 170
110
Embodied Water, L/kg 300
300

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 2.6
3.3
Thermal Shock Resistance, points 21
20

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.1
Chromium (Cr), % 19 to 23
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 0 to 5.0
23.3 to 36.3
Manganese (Mn), % 0 to 0.75
1.0 to 2.5
Molybdenum (Mo), % 15 to 17
2.5 to 3.5
Nickel (Ni), % 49.5 to 63
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.080
0 to 1.0
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
2.0 to 3.0