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Nickel 201 vs. SAE-AISI 1021 Steel

Nickel 201 belongs to the nickel alloys classification, while SAE-AISI 1021 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is nickel 201 and the bottom bar is SAE-AISI 1021 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 4.5 to 45
17 to 27
Fatigue Strength, MPa 42 to 210
190 to 300
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 70
73
Shear Strength, MPa 270 to 380
310 to 320
Tensile Strength: Ultimate (UTS), MPa 390 to 660
480 to 530
Tensile Strength: Yield (Proof), MPa 80 to 510
260 to 450

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 900
400
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
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 19
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 65
1.8
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 11
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 230
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 130
84 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 17 to 720
180 to 530
Stiffness to Weight: Axial, points 11
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 12 to 20
17 to 19
Strength to Weight: Bending, points 13 to 19
17 to 18
Thermal Diffusivity, mm2/s 20
14
Thermal Shock Resistance, points 11 to 19
15 to 17

Alloy Composition

Carbon (C), % 0 to 0.020
0.18 to 0.23
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.4
98.8 to 99.22
Manganese (Mn), % 0 to 0.35
0.6 to 0.9
Nickel (Ni), % 99 to 100
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.35
0
Sulfur (S), % 0 to 0.010
0 to 0.050

Comparable Variants