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SAE-AISI P21 Steel vs. N06230 Nickel

SAE-AISI P21 steel belongs to the iron alloys classification, while N06230 nickel belongs to the nickel alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P21 steel and the bottom bar is N06230 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
83
Tensile Strength: Ultimate (UTS), MPa 1130
620 to 840

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Melting Completion (Liquidus), °C 1450
1370
Melting Onset (Solidus), °C 1410
1300
Specific Heat Capacity, J/kg-K 470
420
Thermal Conductivity, W/m-K 41
8.9
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
1.3

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
85
Density, g/cm3 7.9
9.5
Embodied Carbon, kg CO2/kg material 2.3
11
Embodied Energy, MJ/kg 32
160
Embodied Water, L/kg 62
290

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 40
18 to 25
Strength to Weight: Bending, points 31
17 to 21
Thermal Diffusivity, mm2/s 11
2.3
Thermal Shock Resistance, points 37
17 to 23

Alloy Composition

Aluminum (Al), % 0
0.2 to 0.5
Boron (B), % 0
0 to 0.015
Carbon (C), % 0.18 to 0.22
0.050 to 0.15
Chromium (Cr), % 0 to 0.5
20 to 24
Cobalt (Co), % 1.1 to 1.3
0 to 5.0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 92.1 to 94.2
0 to 3.0
Lanthanum (La), % 0
0.0050 to 0.050
Manganese (Mn), % 0.35 to 0.72
0.3 to 1.0
Molybdenum (Mo), % 0
1.0 to 3.0
Nickel (Ni), % 3.9 to 4.3
47.5 to 65.2
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.4
0.25 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0
13 to 15
Vanadium (V), % 0.15 to 0.25
0