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S33550 Stainless Steel vs. Nickel 693

S33550 stainless steel belongs to the iron alloys classification, while nickel 693 belongs to the nickel alloys. They have 50% of their average alloy composition in common. 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 S33550 stainless steel and the bottom bar is nickel 693.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
34
Fatigue Strength, MPa 270
230
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 470
440
Tensile Strength: Ultimate (UTS), MPa 680
660
Tensile Strength: Yield (Proof), MPa 310
310

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Mechanical, °C 1100
1010
Melting Completion (Liquidus), °C 1400
1350
Melting Onset (Solidus), °C 1360
1310
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
9.1
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
60
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 4.3
9.9
Embodied Energy, MJ/kg 61
140
Embodied Water, L/kg 190
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
190
Resilience: Unit (Modulus of Resilience), kJ/m3 250
250
Stiffness to Weight: Axial, points 14
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 3.9
2.3
Thermal Shock Resistance, points 15
19

Alloy Composition

Aluminum (Al), % 0
2.5 to 4.0
Carbon (C), % 0.040 to 0.1
0 to 0.15
Cerium (Ce), % 0.025 to 0.070
0
Chromium (Cr), % 25 to 28
27 to 31
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 48.8 to 58.2
2.5 to 6.0
Lanthanum (La), % 0.025 to 0.070
0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 16.5 to 20
53.3 to 67.5
Niobium (Nb), % 0.050 to 0.15
0.5 to 2.5
Nitrogen (N), % 0.18 to 0.25
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
0 to 1.0