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SAE-AISI P4 Steel vs. N06920 Nickel

SAE-AISI P4 steel belongs to the iron alloys classification, while N06920 nickel belongs to the nickel alloys. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. 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 P4 steel and the bottom bar is N06920 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 74
82
Tensile Strength: Ultimate (UTS), MPa 390 to 1980
730

Thermal Properties

Latent Heat of Fusion, J/g 260
320
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 41
11
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
55
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.8
9.4
Embodied Energy, MJ/kg 23
130
Embodied Water, L/kg 68
270

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 14 to 70
24
Strength to Weight: Bending, points 15 to 45
21
Thermal Diffusivity, mm2/s 11
2.8
Thermal Shock Resistance, points 13 to 64
19

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.030
Chromium (Cr), % 4.0 to 5.3
20.5 to 23
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 92.3 to 95.3
17 to 20
Manganese (Mn), % 0.2 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.4 to 1.0
8.0 to 10
Nickel (Ni), % 0
36.9 to 53.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.1 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
1.0 to 3.0