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EN 1.4458 Stainless Steel vs. EN 2.4668 Nickel

EN 1.4458 stainless steel belongs to the iron alloys classification, while EN 2.4668 nickel belongs to the nickel alloys. They have 68% of their average alloy composition in common. 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 1.4458 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, % 34
14
Fatigue Strength, MPa 150
590
Impact Strength: V-Notched Charpy, J 67
14
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 510
1390
Tensile Strength: Yield (Proof), MPa 190
1160

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Mechanical, °C 1100
980
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 16
13
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 30
75
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 5.4
13
Embodied Energy, MJ/kg 75
190
Embodied Water, L/kg 200
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
180
Resilience: Unit (Modulus of Resilience), kJ/m3 89
3490
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 17
46
Strength to Weight: Bending, points 18
33
Thermal Diffusivity, mm2/s 4.2
3.5
Thermal Shock Resistance, points 12
40

Alloy Composition

Aluminum (Al), % 0
0.3 to 0.7
Boron (B), % 0
0.0020 to 0.0060
Carbon (C), % 0 to 0.030
0.020 to 0.080
Chromium (Cr), % 19 to 22
17 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0 to 2.0
0 to 0.3
Iron (Fe), % 40.2 to 53
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), % 26 to 30
50 to 55
Niobium (Nb), % 0
4.7 to 5.5
Nitrogen (N), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
0.6 to 1.2