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Nickel 201 vs. SAE-AISI 8740 Steel

Nickel 201 belongs to the nickel alloys classification, while SAE-AISI 8740 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 nickel 201 and the bottom bar is SAE-AISI 8740 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 4.5 to 45
11 to 23
Fatigue Strength, MPa 42 to 210
270 to 350
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 70
73
Shear Strength, MPa 270 to 380
370 to 400
Tensile Strength: Ultimate (UTS), MPa 390 to 660
580 to 670
Tensile Strength: Yield (Proof), MPa 80 to 510
380 to 570

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 900
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1440
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 78
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 19
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 65
2.6
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 11
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 230
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 130
71 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 17 to 720
390 to 850
Stiffness to Weight: Axial, points 11
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 12 to 20
20 to 24
Strength to Weight: Bending, points 13 to 19
20 to 22
Thermal Diffusivity, mm2/s 20
10
Thermal Shock Resistance, points 11 to 19
17 to 20

Alloy Composition

Carbon (C), % 0 to 0.020
0.38 to 0.43
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.4
96.5 to 97.7
Manganese (Mn), % 0 to 0.35
0.75 to 1.0
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 99 to 100
0.4 to 0.7
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.35
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.040

Comparable Variants