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EN 1.4418 Stainless Steel vs. EN 2.4668 Nickel

EN 1.4418 stainless steel belongs to the iron alloys classification, while EN 2.4668 nickel belongs to the nickel alloys. They have 40% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4418 stainless steel and the bottom bar is EN 2.4668 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16 to 20
14
Fatigue Strength, MPa 350 to 480
590
Impact Strength: V-Notched Charpy, J 62 to 90
14
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Shear Strength, MPa 530 to 620
840
Tensile Strength: Ultimate (UTS), MPa 860 to 1000
1390
Tensile Strength: Yield (Proof), MPa 540 to 790
1160

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Mechanical, °C 870
980
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
75
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 2.8
13
Embodied Energy, MJ/kg 39
190
Embodied Water, L/kg 130
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
180
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1590
3490
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 31 to 36
46
Strength to Weight: Bending, points 26 to 28
33
Thermal Diffusivity, mm2/s 4.0
3.5
Thermal Shock Resistance, points 31 to 36
40

Alloy Composition

Aluminum (Al), % 0
0.3 to 0.7
Boron (B), % 0
0.0020 to 0.0060
Carbon (C), % 0 to 0.060
0.020 to 0.080
Chromium (Cr), % 15 to 17
17 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 73.2 to 80.2
11.2 to 24.6
Manganese (Mn), % 0 to 1.5
0 to 0.35
Molybdenum (Mo), % 0.8 to 1.5
2.8 to 3.3
Nickel (Ni), % 4.0 to 6.0
50 to 55
Niobium (Nb), % 0
4.7 to 5.5
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 0.7
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.6 to 1.2