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Nickel 693 vs. AISI 309 Stainless Steel

Nickel 693 belongs to the nickel alloys classification, while AISI 309 stainless steel belongs to the iron alloys. They have 42% 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 nickel 693 and the bottom bar is AISI 309 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
34 to 47
Fatigue Strength, MPa 230
250 to 280
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
78
Shear Strength, MPa 440
420 to 470
Tensile Strength: Ultimate (UTS), MPa 660
600 to 710
Tensile Strength: Yield (Proof), MPa 310
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 1010
980
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
16
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 60
19
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 9.9
3.6
Embodied Energy, MJ/kg 140
51
Embodied Water, L/kg 320
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
200 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 250
170 to 310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
21 to 25
Strength to Weight: Bending, points 21
20 to 23
Thermal Diffusivity, mm2/s 2.3
4.3
Thermal Shock Resistance, points 19
14 to 16

Alloy Composition

Aluminum (Al), % 2.5 to 4.0
0
Carbon (C), % 0 to 0.15
0 to 0.2
Chromium (Cr), % 27 to 31
22 to 24
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 2.5 to 6.0
58 to 66
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 53.3 to 67.5
12 to 15
Niobium (Nb), % 0.5 to 2.5
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 1.0
0