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SAE-AISI 4720 Steel vs. N06002 Nickel

SAE-AISI 4720 steel belongs to the iron alloys classification, while N06002 nickel belongs to the nickel alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 4720 steel and the bottom bar is N06002 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 25
41
Fatigue Strength, MPa 260
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
81
Shear Strength, MPa 310
520
Tensile Strength: Ultimate (UTS), MPa 490
760
Tensile Strength: Yield (Proof), MPa 350
310

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 410
990
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1260
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 39
9.9
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
55
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 1.6
9.3
Embodied Energy, MJ/kg 21
130
Embodied Water, L/kg 50
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
250
Resilience: Unit (Modulus of Resilience), kJ/m3 330
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 17
25
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 10
2.6
Thermal Shock Resistance, points 14
19

Alloy Composition

Carbon (C), % 0.17 to 0.22
0.050 to 0.15
Chromium (Cr), % 0.35 to 0.55
20.5 to 23
Cobalt (Co), % 0
0.5 to 2.5
Iron (Fe), % 96.7 to 97.8
17 to 20
Manganese (Mn), % 0.5 to 0.7
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.25
8.0 to 10
Nickel (Ni), % 0.9 to 1.2
42.3 to 54
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030
Tungsten (W), % 0
0.2 to 1.0