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SAE-AISI 4620 Steel vs. N08221 Nickel

SAE-AISI 4620 steel belongs to the iron alloys classification, while N08221 nickel belongs to the nickel alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. 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 4620 steel and the bottom bar is N08221 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16 to 27
34
Fatigue Strength, MPa 260 to 360
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 320 to 420
410
Tensile Strength: Ultimate (UTS), MPa 490 to 680
610
Tensile Strength: Yield (Proof), MPa 350 to 550
270

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 410
980
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2
44
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 1.6
7.9
Embodied Energy, MJ/kg 22
110
Embodied Water, L/kg 50
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 120
170
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 800
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 24
21
Strength to Weight: Bending, points 18 to 22
19
Thermal Shock Resistance, points 15 to 20
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Carbon (C), % 0.17 to 0.22
0 to 0.025
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 96.4 to 97.4
22 to 33.9
Manganese (Mn), % 0.45 to 0.65
0 to 1.0
Molybdenum (Mo), % 0.2 to 0.3
5.0 to 6.5
Nickel (Ni), % 1.7 to 2.0
39 to 46
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0 to 0.050
Sulfur (S), % 0 to 0.040
0 to 0.030
Titanium (Ti), % 0
0.6 to 1.0