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Nickel 242 vs. SAE-AISI 4621 Steel

Nickel 242 belongs to the nickel alloys classification, while SAE-AISI 4621 steel belongs to the iron alloys. 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 nickel 242 and the bottom bar is SAE-AISI 4621 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 45
27
Fatigue Strength, MPa 300
270
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 84
73
Shear Strength, MPa 570
320
Tensile Strength: Ultimate (UTS), MPa 820
500
Tensile Strength: Yield (Proof), MPa 350
360

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 930
410
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1290
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 11
46
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 75
3.3
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 14
1.6
Embodied Energy, MJ/kg 180
22
Embodied Water, L/kg 290
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
120
Resilience: Unit (Modulus of Resilience), kJ/m3 280
340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 25
18
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 3.1
12
Thermal Shock Resistance, points 25
15

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0 to 0.030
0.18 to 0.23
Chromium (Cr), % 7.0 to 9.0
0
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 2.0
96.1 to 97.1
Manganese (Mn), % 0 to 0.8
0.7 to 0.9
Molybdenum (Mo), % 24 to 26
0.2 to 0.3
Nickel (Ni), % 59.3 to 69
1.7 to 2.0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.8
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040