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N10665 Nickel vs. SAE-AISI 4718 Steel

N10665 nickel belongs to the nickel alloys classification, while SAE-AISI 4718 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is N10665 nickel and the bottom bar is SAE-AISI 4718 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 45
24
Fatigue Strength, MPa 340
270
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 84
73
Shear Strength, MPa 600
330
Tensile Strength: Ultimate (UTS), MPa 860
510
Tensile Strength: Yield (Proof), MPa 400
370

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 900
420
Melting Completion (Liquidus), °C 1620
1460
Melting Onset (Solidus), °C 1570
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 11
39
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.2
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 75
3.0
Density, g/cm3 9.3
7.9
Embodied Carbon, kg CO2/kg material 15
1.6
Embodied Energy, MJ/kg 200
21
Embodied Water, L/kg 270
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
110
Resilience: Unit (Modulus of Resilience), kJ/m3 360
360
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 26
18
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 3.1
10
Thermal Shock Resistance, points 27
17

Alloy Composition

Carbon (C), % 0 to 0.020
0.16 to 0.21
Chromium (Cr), % 0 to 1.0
0.35 to 0.55
Cobalt (Co), % 0 to 1.0
0
Iron (Fe), % 0 to 2.0
96.3 to 97.4
Manganese (Mn), % 0 to 1.0
0.7 to 0.9
Molybdenum (Mo), % 26 to 30
0.3 to 0.4
Nickel (Ni), % 64.8 to 74
0.9 to 1.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.1
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040