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AISI 418 Stainless Steel vs. EN 2.4878 Nickel

AISI 418 stainless steel belongs to the iron alloys classification, while EN 2.4878 nickel belongs to the nickel alloys. 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 AISI 418 stainless steel and the bottom bar is EN 2.4878 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
13 to 17
Fatigue Strength, MPa 520
400 to 410
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
78
Shear Strength, MPa 680
750 to 760
Tensile Strength: Ultimate (UTS), MPa 1100
1210 to 1250
Tensile Strength: Yield (Proof), MPa 850
740 to 780

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Mechanical, °C 770
1030
Melting Completion (Liquidus), °C 1500
1370
Melting Onset (Solidus), °C 1460
1320
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 25
11
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
80
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 2.9
10
Embodied Energy, MJ/kg 41
150
Embodied Water, L/kg 110
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
150 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 1830
1370 to 1540
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 38
41 to 42
Strength to Weight: Bending, points 29
31
Thermal Diffusivity, mm2/s 6.7
2.8
Thermal Shock Resistance, points 40
37 to 39

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.010 to 0.015
Carbon (C), % 0.15 to 0.2
0.030 to 0.070
Chromium (Cr), % 12 to 14
23 to 25
Cobalt (Co), % 0
19 to 21
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 78.5 to 83.6
0 to 1.0
Manganese (Mn), % 0 to 0.5
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
1.0 to 2.0
Nickel (Ni), % 1.8 to 2.2
43.6 to 52.2
Niobium (Nb), % 0
0.7 to 1.2
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0070
Tantalum (Ta), % 0
0 to 0.050
Titanium (Ti), % 0
2.8 to 3.2
Tungsten (W), % 2.5 to 3.5
0
Zirconium (Zr), % 0
0.030 to 0.070