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N08026 Nickel vs. SAE-AISI A8 Steel

N08026 nickel belongs to the nickel alloys classification, while SAE-AISI A8 steel belongs to the iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is N08026 nickel and the bottom bar is SAE-AISI A8 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 620
700 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
37
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 41
8.5
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 7.2
2.3
Embodied Energy, MJ/kg 98
31
Embodied Water, L/kg 240
73

Common Calculations

PREN (Pitting Resistance) 45
12
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
25 to 68
Strength to Weight: Bending, points 20
22 to 44
Thermal Diffusivity, mm2/s 3.2
9.9
Thermal Shock Resistance, points 15
22 to 62

Alloy Composition

Carbon (C), % 0 to 0.030
0.5 to 0.6
Chromium (Cr), % 22 to 26
4.8 to 5.5
Copper (Cu), % 2.0 to 4.0
0 to 0.25
Iron (Fe), % 24.4 to 37.9
88.5 to 91.9
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 5.0 to 6.7
1.2 to 1.7
Nickel (Ni), % 33 to 37.2
0 to 0.3
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0.75 to 1.1
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
1.0 to 1.5