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AISI 418 Stainless Steel vs. EN 2.4815 Cast Nickel

AISI 418 stainless steel belongs to the iron alloys classification, while EN 2.4815 cast nickel belongs to the nickel alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 418 stainless steel and the bottom bar is EN 2.4815 cast nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
3.4
Fatigue Strength, MPa 520
89
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 1100
460
Tensile Strength: Yield (Proof), MPa 850
220

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Mechanical, °C 770
1100
Melting Completion (Liquidus), °C 1500
1510
Melting Onset (Solidus), °C 1460
1450
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 25
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 15
47
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 2.9
7.9
Embodied Energy, MJ/kg 41
110
Embodied Water, L/kg 110
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
13
Resilience: Unit (Modulus of Resilience), kJ/m3 1830
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 38
15
Strength to Weight: Bending, points 29
16
Thermal Diffusivity, mm2/s 6.7
6.4
Thermal Shock Resistance, points 40
17

Alloy Composition

Carbon (C), % 0.15 to 0.2
0.35 to 0.65
Chromium (Cr), % 12 to 14
12 to 18
Iron (Fe), % 78.5 to 83.6
9.8 to 28.7
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0 to 1.0
Nickel (Ni), % 1.8 to 2.2
58 to 66
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.5 to 3.5
0