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SAE-AISI 1021 Steel vs. N06920 Nickel

SAE-AISI 1021 steel belongs to the iron alloys classification, while N06920 nickel belongs to the nickel 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 SAE-AISI 1021 steel and the bottom bar is N06920 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 17 to 27
39
Fatigue Strength, MPa 190 to 300
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
82
Shear Strength, MPa 310 to 320
500
Tensile Strength: Ultimate (UTS), MPa 480 to 530
730
Tensile Strength: Yield (Proof), MPa 260 to 450
270

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
990
Melting Completion (Liquidus), °C 1460
1500
Melting Onset (Solidus), °C 1420
1440
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 52
11
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
55
Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 1.4
9.4
Embodied Energy, MJ/kg 18
130
Embodied Water, L/kg 46
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84 to 110
230
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 530
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 17 to 19
24
Strength to Weight: Bending, points 17 to 18
21
Thermal Diffusivity, mm2/s 14
2.8
Thermal Shock Resistance, points 15 to 17
19

Alloy Composition

Carbon (C), % 0.18 to 0.23
0 to 0.030
Chromium (Cr), % 0
20.5 to 23
Cobalt (Co), % 0
0 to 5.0
Iron (Fe), % 98.8 to 99.22
17 to 20
Manganese (Mn), % 0.6 to 0.9
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
36.9 to 53.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.030
Tungsten (W), % 0
1.0 to 3.0