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Nickel 718 vs. AWS ERNiCrFe-5

Both nickel 718 and AWS ERNiCrFe-5 are nickel alloys. They have 79% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is nickel 718 and the bottom bar is AWS ERNiCrFe-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 50
34
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 75
74
Tensile Strength: Ultimate (UTS), MPa 930 to 1530
630

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Melting Completion (Liquidus), °C 1340
1390
Melting Onset (Solidus), °C 1260
1340
Specific Heat Capacity, J/kg-K 450
450
Thermal Conductivity, W/m-K 11
14
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 75
65
Density, g/cm3 8.3
8.5
Embodied Carbon, kg CO2/kg material 13
11
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 250
250

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 31 to 51
20
Strength to Weight: Bending, points 25 to 35
19
Thermal Diffusivity, mm2/s 3.0
3.6
Thermal Shock Resistance, points 27 to 44
19

Alloy Composition

Aluminum (Al), % 0.2 to 0.8
0
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 17 to 21
14 to 17
Cobalt (Co), % 0 to 1.0
0 to 0.12
Copper (Cu), % 0 to 0.3
0 to 0.5
Iron (Fe), % 11.1 to 24.6
6.0 to 10
Manganese (Mn), % 0 to 0.35
0 to 1.0
Molybdenum (Mo), % 2.8 to 3.3
0
Nickel (Ni), % 50 to 55
70 to 78.5
Niobium (Nb), % 4.8 to 5.5
1.5 to 3.0
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.35
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0.65 to 1.2
0
Residuals, % 0
0 to 0.5