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N08026 Nickel vs. SAE-AISI A7 Steel

N08026 nickel belongs to the nickel alloys classification, while SAE-AISI A7 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 22 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 N08026 nickel and the bottom bar is SAE-AISI A7 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
72
Tensile Strength: Ultimate (UTS), MPa 620
800 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Melting Completion (Liquidus), °C 1430
1470
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

Otherwise Unclassified Properties

Base Metal Price, % relative 41
10
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 7.2
13
Embodied Energy, MJ/kg 98
200
Embodied Water, L/kg 240
100

Common Calculations

PREN (Pitting Resistance) 45
11
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
29 to 77
Strength to Weight: Bending, points 20
25 to 48
Thermal Diffusivity, mm2/s 3.2
10
Thermal Shock Resistance, points 15
27 to 72

Alloy Composition

Carbon (C), % 0 to 0.030
2.0 to 2.9
Chromium (Cr), % 22 to 26
5.0 to 5.8
Copper (Cu), % 2.0 to 4.0
0 to 0.25
Iron (Fe), % 24.4 to 37.9
81.4 to 87.7
Manganese (Mn), % 0 to 1.0
0 to 0.8
Molybdenum (Mo), % 5.0 to 6.7
0.9 to 1.4
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 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0.5 to 1.5
Vanadium (V), % 0
3.9 to 5.2