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SAE-AISI P21 Steel vs. N06210 Nickel

SAE-AISI P21 steel belongs to the iron alloys classification, while N06210 nickel belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P21 steel and the bottom bar is N06210 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
85
Tensile Strength: Ultimate (UTS), MPa 1130
780

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Melting Completion (Liquidus), °C 1450
1570
Melting Onset (Solidus), °C 1410
1510
Specific Heat Capacity, J/kg-K 470
420
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
85
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 2.3
17
Embodied Energy, MJ/kg 32
250
Embodied Water, L/kg 62
310

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 40
24
Strength to Weight: Bending, points 31
21
Thermal Shock Resistance, points 37
22

Alloy Composition

Carbon (C), % 0.18 to 0.22
0 to 0.015
Chromium (Cr), % 0 to 0.5
18 to 20
Cobalt (Co), % 1.1 to 1.3
0 to 1.0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 92.1 to 94.2
0 to 1.0
Manganese (Mn), % 0.35 to 0.72
0 to 0.5
Molybdenum (Mo), % 0
18 to 20
Nickel (Ni), % 3.9 to 4.3
54.8 to 62.5
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 0.4
0 to 0.080
Sulfur (S), % 0 to 0.030
0 to 0.020
Tantalum (Ta), % 0
1.5 to 2.2
Vanadium (V), % 0.15 to 0.25
0 to 0.35