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EN 1.4618 Stainless Steel vs. EN 2.4668 Nickel

EN 1.4618 stainless steel belongs to the iron alloys classification, while EN 2.4668 nickel belongs to the nickel alloys. They have 41% 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 1.4618 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, % 51
14
Fatigue Strength, MPa 240 to 250
590
Impact Strength: V-Notched Charpy, J 90 to 91
14
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Shear Strength, MPa 480 to 500
840
Tensile Strength: Ultimate (UTS), MPa 680 to 700
1390
Tensile Strength: Yield (Proof), MPa 250 to 260
1160

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Mechanical, °C 900
980
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
75
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 2.7
13
Embodied Energy, MJ/kg 39
190
Embodied Water, L/kg 150
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
180
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 170
3490
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24 to 25
46
Strength to Weight: Bending, points 22 to 23
33
Thermal Diffusivity, mm2/s 4.0
3.5
Thermal Shock Resistance, points 15 to 16
40

Alloy Composition

Aluminum (Al), % 0
0.3 to 0.7
Boron (B), % 0
0.0020 to 0.0060
Carbon (C), % 0 to 0.1
0.020 to 0.080
Chromium (Cr), % 16.5 to 18.5
17 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 1.0 to 2.5
0 to 0.3
Iron (Fe), % 62.7 to 72.5
11.2 to 24.6
Manganese (Mn), % 5.5 to 9.5
0 to 0.35
Molybdenum (Mo), % 0
2.8 to 3.3
Nickel (Ni), % 4.5 to 5.5
50 to 55
Niobium (Nb), % 0
4.7 to 5.5
Nitrogen (N), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.070
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0
0.6 to 1.2