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Nickel 693 vs. S40920 Stainless Steel

Nickel 693 belongs to the nickel alloys classification, while S40920 stainless steel belongs to the iron alloys. 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 nickel 693 and the bottom bar is S40920 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
22
Fatigue Strength, MPa 230
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Shear Strength, MPa 440
270
Tensile Strength: Ultimate (UTS), MPa 660
430
Tensile Strength: Yield (Proof), MPa 310
190

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 1010
710
Melting Completion (Liquidus), °C 1350
1450
Melting Onset (Solidus), °C 1310
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 9.1
26
Thermal Expansion, µm/m-K 13
10

Otherwise Unclassified Properties

Base Metal Price, % relative 60
6.5
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 9.9
2.0
Embodied Energy, MJ/kg 140
28
Embodied Water, L/kg 320
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
78
Resilience: Unit (Modulus of Resilience), kJ/m3 250
97
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
15
Strength to Weight: Bending, points 21
16
Thermal Diffusivity, mm2/s 2.3
6.9
Thermal Shock Resistance, points 19
15

Alloy Composition

Aluminum (Al), % 2.5 to 4.0
0
Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 27 to 31
10.5 to 11.7
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 2.5 to 6.0
85.1 to 89.4
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 53.3 to 67.5
0 to 0.5
Niobium (Nb), % 0.5 to 2.5
0 to 0.1
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 0 to 1.0
0.15 to 0.5