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N08026 Nickel vs. SAE-AISI S7 Steel

N08026 nickel belongs to the nickel alloys classification, while SAE-AISI S7 steel belongs to the iron alloys. They have a modest 37% 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 S7 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
670 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
40
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 41
5.0
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 7.2
2.3
Embodied Energy, MJ/kg 98
31
Embodied Water, L/kg 240
65

Common Calculations

PREN (Pitting Resistance) 45
8.4
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
24 to 72
Strength to Weight: Bending, points 20
22 to 46
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 15
22 to 66

Alloy Composition

Carbon (C), % 0 to 0.030
0.45 to 0.55
Chromium (Cr), % 22 to 26
3.0 to 3.5
Copper (Cu), % 2.0 to 4.0
0 to 0.25
Iron (Fe), % 24.4 to 37.9
91.6 to 94.9
Manganese (Mn), % 0 to 1.0
0.2 to 0.9
Molybdenum (Mo), % 5.0 to 6.7
1.3 to 1.8
Nickel (Ni), % 33 to 37.2
0
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0.2 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0 to 0.3