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S44660 Stainless Steel vs. Nickel 693

S44660 stainless steel belongs to the iron alloys classification, while nickel 693 belongs to the nickel alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S44660 stainless steel and the bottom bar is nickel 693.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 20
34
Fatigue Strength, MPa 330
230
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
76
Shear Strength, MPa 410
440
Tensile Strength: Ultimate (UTS), MPa 660
660
Tensile Strength: Yield (Proof), MPa 510
310

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Mechanical, °C 1100
1010
Melting Completion (Liquidus), °C 1460
1350
Melting Onset (Solidus), °C 1410
1310
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
9.1
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 21
60
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 4.3
9.9
Embodied Energy, MJ/kg 61
140
Embodied Water, L/kg 180
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
190
Resilience: Unit (Modulus of Resilience), kJ/m3 640
250
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 4.5
2.3
Thermal Shock Resistance, points 21
19

Alloy Composition

Aluminum (Al), % 0
2.5 to 4.0
Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 25 to 28
27 to 31
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 60.4 to 71
2.5 to 6.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 1.0 to 3.5
53.3 to 67.5
Niobium (Nb), % 0.2 to 1.0
0.5 to 2.5
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0.2 to 1.0
0 to 1.0