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SAE-AISI S7 Steel vs. N06255 Nickel

SAE-AISI S7 steel belongs to the iron alloys classification, while N06255 nickel belongs to the nickel alloys. They have a modest 21% 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 (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S7 steel and the bottom bar is N06255 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
81
Tensile Strength: Ultimate (UTS), MPa 670 to 2030
660

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
55
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 2.3
9.4
Embodied Energy, MJ/kg 31
130
Embodied Water, L/kg 65
270

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24 to 72
22
Strength to Weight: Bending, points 22 to 46
20
Thermal Shock Resistance, points 22 to 66
17

Alloy Composition

Carbon (C), % 0.45 to 0.55
0 to 0.030
Chromium (Cr), % 3.0 to 3.5
23 to 26
Copper (Cu), % 0 to 0.25
0 to 1.2
Iron (Fe), % 91.6 to 94.9
6.0 to 24
Manganese (Mn), % 0.2 to 0.9
0 to 1.0
Molybdenum (Mo), % 1.3 to 1.8
6.0 to 9.0
Nickel (Ni), % 0
47 to 52
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.69
Tungsten (W), % 0
0 to 3.0
Vanadium (V), % 0 to 0.3
0