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EN 2.4633 Nickel vs. AISI 418 Stainless Steel

EN 2.4633 nickel belongs to the nickel alloys classification, while AISI 418 stainless steel belongs to the iron alloys. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 2.4633 nickel and the bottom bar is AISI 418 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
17
Fatigue Strength, MPa 230
520
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 510
680
Tensile Strength: Ultimate (UTS), MPa 760
1100
Tensile Strength: Yield (Proof), MPa 310
850

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Maximum Temperature: Mechanical, °C 1000
770
Melting Completion (Liquidus), °C 1350
1500
Melting Onset (Solidus), °C 1300
1460
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 11
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 50
15
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 8.4
2.9
Embodied Energy, MJ/kg 120
41
Embodied Water, L/kg 290
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
170
Resilience: Unit (Modulus of Resilience), kJ/m3 240
1830
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
38
Strength to Weight: Bending, points 23
29
Thermal Diffusivity, mm2/s 2.9
6.7
Thermal Shock Resistance, points 22
40

Alloy Composition

Aluminum (Al), % 1.8 to 2.4
0
Carbon (C), % 0.15 to 0.25
0.15 to 0.2
Chromium (Cr), % 24 to 26
12 to 14
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 8.0 to 11
78.5 to 83.6
Manganese (Mn), % 0 to 0.5
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 58.8 to 65.9
1.8 to 2.2
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.1 to 0.2
0
Tungsten (W), % 0
2.5 to 3.5
Yttrium (Y), % 0.050 to 0.12
0
Zirconium (Zr), % 0.010 to 0.1
0