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SAE-AISI 4718 Steel vs. N07776 Nickel

SAE-AISI 4718 steel belongs to the iron alloys classification, while N07776 nickel belongs to the nickel alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 4718 steel and the bottom bar is N07776 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 24
39
Fatigue Strength, MPa 270
220
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 73
79
Shear Strength, MPa 330
470
Tensile Strength: Ultimate (UTS), MPa 510
700
Tensile Strength: Yield (Proof), MPa 370
270

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 420
970
Melting Completion (Liquidus), °C 1460
1550
Melting Onset (Solidus), °C 1420
1500
Specific Heat Capacity, J/kg-K 470
430
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
85
Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 1.6
15
Embodied Energy, MJ/kg 21
210
Embodied Water, L/kg 51
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 360
180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 18
20
Thermal Shock Resistance, points 17
20

Alloy Composition

Aluminum (Al), % 0
0 to 2.0
Carbon (C), % 0.16 to 0.21
0 to 0.030
Chromium (Cr), % 0.35 to 0.55
12 to 22
Iron (Fe), % 96.3 to 97.4
0 to 24.5
Manganese (Mn), % 0.7 to 0.9
0 to 1.0
Molybdenum (Mo), % 0.3 to 0.4
9.0 to 15
Nickel (Ni), % 0.9 to 1.2
50 to 60
Niobium (Nb), % 0
4.0 to 6.0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.15 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.010
Titanium (Ti), % 0
0 to 1.0
Tungsten (W), % 0
0.5 to 2.5