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SAE-AISI P20 Steel vs. N06255 Nickel

SAE-AISI P20 steel belongs to the iron alloys classification, while N06255 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 P20 steel and the bottom bar is N06255 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
81
Tensile Strength: Ultimate (UTS), MPa 540 to 1050
660

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
55
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.6
9.4
Embodied Energy, MJ/kg 21
130
Embodied Water, L/kg 52
270

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 19 to 37
22
Strength to Weight: Bending, points 19 to 29
20
Thermal Shock Resistance, points 18 to 35
17

Alloy Composition

Carbon (C), % 0.28 to 0.4
0 to 0.030
Chromium (Cr), % 0.4 to 2.0
23 to 26
Copper (Cu), % 0 to 0.25
0 to 1.2
Iron (Fe), % 95.2 to 98.5
6.0 to 24
Manganese (Mn), % 0.35 to 0.71
0 to 1.0
Molybdenum (Mo), % 0.3 to 0.55
6.0 to 9.0
Nickel (Ni), % 0
47 to 52
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.69
Tungsten (W), % 0
0 to 3.0