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Nickel 693 vs. S40975 Stainless Steel

Nickel 693 belongs to the nickel alloys classification, while S40975 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 S40975 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
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Shear Strength, MPa 440
290
Tensile Strength: Ultimate (UTS), MPa 660
460
Tensile Strength: Yield (Proof), MPa 310
310

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
7.8
Embodied Carbon, kg CO2/kg material 9.9
2.0
Embodied Energy, MJ/kg 140
28
Embodied Water, L/kg 320
95

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
93
Resilience: Unit (Modulus of Resilience), kJ/m3 250
250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
17
Strength to Weight: Bending, points 21
17
Thermal Diffusivity, mm2/s 2.3
7.0
Thermal Shock Resistance, points 19
17

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
84.4 to 89
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 53.3 to 67.5
0.5 to 1.0
Niobium (Nb), % 0.5 to 2.5
0
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 0.030
Titanium (Ti), % 0 to 1.0
0 to 0.75