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Nickel 693 vs. AISI 304L Stainless Steel

Nickel 693 belongs to the nickel alloys classification, while AISI 304L stainless steel belongs to the iron alloys. They have a modest 34% 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 (7, in this case) are not shown.

For each property being compared, the top bar is nickel 693 and the bottom bar is AISI 304L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
6.7 to 46
Fatigue Strength, MPa 230
170 to 430
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 440
370 to 680
Tensile Strength: Ultimate (UTS), MPa 660
540 to 1160
Tensile Strength: Yield (Proof), MPa 310
190 to 870

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 1010
540
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
17

Otherwise Unclassified Properties

Base Metal Price, % relative 60
16
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 9.9
3.1
Embodied Energy, MJ/kg 140
44
Embodied Water, L/kg 320
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
71 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 250
92 to 1900
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
19 to 41
Strength to Weight: Bending, points 21
19 to 31
Thermal Diffusivity, mm2/s 2.3
4.2
Thermal Shock Resistance, points 19
12 to 25

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
18 to 20
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 2.5 to 6.0
65 to 74
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 53.3 to 67.5
8.0 to 12
Niobium (Nb), % 0.5 to 2.5
0
Nitrogen (N), % 0
0 to 0.1
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