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Nickel 693 vs. EN 1.4123 Stainless Steel

Nickel 693 belongs to the nickel alloys classification, while EN 1.4123 stainless steel belongs to the iron alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is nickel 693 and the bottom bar is EN 1.4123 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 660
720 to 810

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 1010
840
Melting Completion (Liquidus), °C 1350
1450
Melting Onset (Solidus), °C 1310
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 9.1
23
Thermal Expansion, µm/m-K 13
10

Otherwise Unclassified Properties

Base Metal Price, % relative 60
10
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 9.9
4.2
Embodied Energy, MJ/kg 140
62
Embodied Water, L/kg 320
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
26 to 29
Strength to Weight: Bending, points 21
23 to 25
Thermal Diffusivity, mm2/s 2.3
6.3
Thermal Shock Resistance, points 19
26 to 29

Alloy Composition

Aluminum (Al), % 2.5 to 4.0
0
Carbon (C), % 0 to 0.15
0.35 to 0.5
Chromium (Cr), % 27 to 31
14 to 16.5
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 2.5 to 6.0
76.7 to 84.6
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
1.0 to 2.5
Nickel (Ni), % 53.3 to 67.5
0 to 0.5
Niobium (Nb), % 0.5 to 2.5
0
Nitrogen (N), % 0
0.1 to 0.3
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
Vanadium (V), % 0
0 to 1.5