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Nickel 686 vs. AWS ER90S-B9

Nickel 686 belongs to the nickel alloys classification, while AWS ER90S-B9 belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is nickel 686 and the bottom bar is AWS ER90S-B9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 51
18
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 780
690
Tensile Strength: Yield (Proof), MPa 350
470

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 9.8
25
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 70
7.0
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 12
2.6
Embodied Energy, MJ/kg 170
37
Embodied Water, L/kg 300
91

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
110
Resilience: Unit (Modulus of Resilience), kJ/m3 280
570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 2.6
6.9
Thermal Shock Resistance, points 21
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.010
0.070 to 0.13
Chromium (Cr), % 19 to 23
8.0 to 10.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 0 to 5.0
84.4 to 90.7
Manganese (Mn), % 0 to 0.75
0 to 1.2
Molybdenum (Mo), % 15 to 17
0.85 to 1.2
Nickel (Ni), % 49.5 to 63
0 to 0.8
Niobium (Nb), % 0
0.020 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 0.080
0.15 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.010
Titanium (Ti), % 0.020 to 0.25
0
Tungsten (W), % 3.0 to 4.4
0
Vanadium (V), % 0
0.15 to 0.3
Residuals, % 0
0 to 0.5