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SAE-AISI A7 Steel vs. N06007 Nickel

SAE-AISI A7 steel belongs to the iron alloys classification, while N06007 nickel belongs to the nickel alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A7 steel and the bottom bar is N06007 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
79
Tensile Strength: Ultimate (UTS), MPa 800 to 2150
690

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1470
1340
Melting Onset (Solidus), °C 1430
1260
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 37
10
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 10
60
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 13
10
Embodied Energy, MJ/kg 200
140
Embodied Water, L/kg 100
260

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 29 to 77
23
Strength to Weight: Bending, points 25 to 48
21
Thermal Diffusivity, mm2/s 10
2.7
Thermal Shock Resistance, points 27 to 72
18

Alloy Composition

Carbon (C), % 2.0 to 2.9
0 to 0.050
Chromium (Cr), % 5.0 to 5.8
21 to 23.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0 to 0.25
1.5 to 2.5
Iron (Fe), % 81.4 to 87.7
18 to 21
Manganese (Mn), % 0 to 0.8
1.0 to 2.0
Molybdenum (Mo), % 0.9 to 1.4
5.5 to 7.5
Nickel (Ni), % 0 to 0.3
36.1 to 51.1
Niobium (Nb), % 0
1.8 to 2.5
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0.5 to 1.5
0 to 1.0
Vanadium (V), % 3.9 to 5.2
0