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Nickel 693 vs. SAE-AISI S7 Steel

Nickel 693 belongs to the nickel alloys classification, while SAE-AISI S7 steel belongs to the iron alloys. There are 21 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 nickel 693 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 76
74
Tensile Strength: Ultimate (UTS), MPa 660
670 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Melting Completion (Liquidus), °C 1350
1460
Melting Onset (Solidus), °C 1310
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 9.1
40
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
5.0
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 9.9
2.3
Embodied Energy, MJ/kg 140
31
Embodied Water, L/kg 320
65

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
24 to 72
Strength to Weight: Bending, points 21
22 to 46
Thermal Diffusivity, mm2/s 2.3
11
Thermal Shock Resistance, points 19
22 to 66

Alloy Composition

Aluminum (Al), % 2.5 to 4.0
0
Carbon (C), % 0 to 0.15
0.45 to 0.55
Chromium (Cr), % 27 to 31
3.0 to 3.5
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 2.5 to 6.0
91.6 to 94.9
Manganese (Mn), % 0 to 1.0
0.2 to 0.9
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 53.3 to 67.5
0
Niobium (Nb), % 0.5 to 2.5
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
0.2 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 1.0
0
Vanadium (V), % 0
0 to 0.3