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SAE-AISI P20 Steel vs. EN 2.4680 Cast Nickel

SAE-AISI P20 steel belongs to the iron alloys classification, while EN 2.4680 cast nickel belongs to the nickel alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P20 steel and the bottom bar is EN 2.4680 cast nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.26
Shear Modulus, GPa 73
84
Tensile Strength: Ultimate (UTS), MPa 540 to 1050
600

Thermal Properties

Latent Heat of Fusion, J/g 260
350
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1320
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
14
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
60
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.6
9.1
Embodied Energy, MJ/kg 21
130
Embodied Water, L/kg 52
350

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19 to 37
21
Strength to Weight: Bending, points 19 to 29
20
Thermal Diffusivity, mm2/s 12
3.7
Thermal Shock Resistance, points 18 to 35
14

Alloy Composition

Carbon (C), % 0.28 to 0.4
0 to 0.1
Chromium (Cr), % 0.4 to 2.0
48 to 52
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 95.2 to 98.5
0 to 1.0
Manganese (Mn), % 0.35 to 0.71
0 to 0.5
Molybdenum (Mo), % 0.3 to 0.55
0 to 0.5
Nickel (Ni), % 0
42.9 to 51
Niobium (Nb), % 0
1.0 to 1.8
Nitrogen (N), % 0
0 to 0.16
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020