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AWS E430 vs. Nickel 686

AWS E430 belongs to the iron alloys classification, while nickel 686 belongs to the nickel alloys. They have a modest 20% 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 E430 and the bottom bar is nickel 686.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 23
51
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 500
780

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1400
1340
Specific Heat Capacity, J/kg-K 480
420
Thermal Conductivity, W/m-K 25
9.8
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
70
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 2.2
12
Embodied Energy, MJ/kg 31
170
Embodied Water, L/kg 120
300

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 18
24
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 6.7
2.6
Thermal Shock Resistance, points 13
21

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.010
Chromium (Cr), % 15 to 18
19 to 23
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 77.8 to 85
0 to 5.0
Manganese (Mn), % 0 to 1.0
0 to 0.75
Molybdenum (Mo), % 0 to 0.75
15 to 17
Nickel (Ni), % 0 to 0.6
49.5 to 63
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.9
0 to 0.080
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.020 to 0.25
Tungsten (W), % 0
3.0 to 4.4