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N06650 Nickel vs. SAE-AISI A7 Steel

N06650 nickel belongs to the nickel alloys classification, while SAE-AISI A7 steel belongs to the iron alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is N06650 nickel and the bottom bar is SAE-AISI A7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 82
72
Tensile Strength: Ultimate (UTS), MPa 900
800 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1500
1470
Melting Onset (Solidus), °C 1450
1430
Specific Heat Capacity, J/kg-K 440
470
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
10
Density, g/cm3 8.6
7.7
Embodied Carbon, kg CO2/kg material 10
13
Embodied Energy, MJ/kg 140
200
Embodied Water, L/kg 270
100

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 29
29 to 77
Strength to Weight: Bending, points 24
25 to 48
Thermal Shock Resistance, points 24
27 to 72

Alloy Composition

Aluminum (Al), % 0.050 to 0.5
0
Carbon (C), % 0 to 0.030
2.0 to 2.9
Chromium (Cr), % 19 to 21
5.0 to 5.8
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 12 to 16
81.4 to 87.7
Manganese (Mn), % 0 to 0.5
0 to 0.8
Molybdenum (Mo), % 9.5 to 12.5
0.9 to 1.4
Nickel (Ni), % 44.4 to 58.9
0 to 0.3
Niobium (Nb), % 0.050 to 0.5
0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0.5 to 2.5
0.5 to 1.5
Vanadium (V), % 0
3.9 to 5.2