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EN 1.4401 Stainless Steel vs. EN 2.4668 Nickel

EN 1.4401 stainless steel belongs to the iron alloys classification, while EN 2.4668 nickel belongs to the nickel alloys. They have 50% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4401 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, % 14 to 40
14
Fatigue Strength, MPa 200 to 320
590
Impact Strength: V-Notched Charpy, J 91 to 94
14
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
75
Shear Strength, MPa 410 to 550
840
Tensile Strength: Ultimate (UTS), MPa 600 to 900
1390
Tensile Strength: Yield (Proof), MPa 230 to 570
1160

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Mechanical, °C 950
980
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
75
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 3.8
13
Embodied Energy, MJ/kg 52
190
Embodied Water, L/kg 150
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
180
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 800
3490
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21 to 32
46
Strength to Weight: Bending, points 20 to 26
33
Thermal Diffusivity, mm2/s 4.0
3.5
Thermal Shock Resistance, points 13 to 20
40

Alloy Composition

Aluminum (Al), % 0
0.3 to 0.7
Boron (B), % 0
0.0020 to 0.0060
Carbon (C), % 0 to 0.070
0.020 to 0.080
Chromium (Cr), % 16.5 to 18.5
17 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 62.8 to 71.5
11.2 to 24.6
Manganese (Mn), % 0 to 2.0
0 to 0.35
Molybdenum (Mo), % 2.0 to 2.5
2.8 to 3.3
Nickel (Ni), % 10 to 13
50 to 55
Niobium (Nb), % 0
4.7 to 5.5
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.6 to 1.2