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EN 2.4668 Nickel vs. EN 1.4008 Stainless Steel

EN 2.4668 nickel belongs to the nickel alloys classification, while EN 1.4008 stainless steel belongs to the iron alloys. They have a modest 33% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 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 2.4668 nickel and the bottom bar is EN 1.4008 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14
17
Fatigue Strength, MPa 590
300
Impact Strength: V-Notched Charpy, J 14
31
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 1390
670
Tensile Strength: Yield (Proof), MPa 1160
500

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Mechanical, °C 980
760
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
25
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 75
8.0
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 13
2.1
Embodied Energy, MJ/kg 190
30
Embodied Water, L/kg 250
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
100
Resilience: Unit (Modulus of Resilience), kJ/m3 3490
630
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 46
24
Strength to Weight: Bending, points 33
22
Thermal Diffusivity, mm2/s 3.5
6.7
Thermal Shock Resistance, points 40
23

Alloy Composition

Aluminum (Al), % 0.3 to 0.7
0
Boron (B), % 0.0020 to 0.0060
0
Carbon (C), % 0.020 to 0.080
0 to 0.1
Chromium (Cr), % 17 to 21
12 to 13.5
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 11.2 to 24.6
81.8 to 86.8
Manganese (Mn), % 0 to 0.35
0 to 1.0
Molybdenum (Mo), % 2.8 to 3.3
0.2 to 0.5
Nickel (Ni), % 50 to 55
1.0 to 2.0
Niobium (Nb), % 4.7 to 5.5
0
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 0.6 to 1.2
0