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EN 2.4642 Nickel vs. EN 1.4421 Stainless Steel

EN 2.4642 nickel belongs to the nickel alloys classification, while EN 1.4421 stainless steel belongs to the iron alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 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 2.4642 nickel and the bottom bar is EN 1.4421 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
11 to 17
Fatigue Strength, MPa 200
380 to 520
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 670
880 to 1100
Tensile Strength: Yield (Proof), MPa 270
620 to 950

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Mechanical, °C 1010
870
Melting Completion (Liquidus), °C 1360
1440
Melting Onset (Solidus), °C 1320
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 50
12
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 8.2
2.6
Embodied Energy, MJ/kg 120
36
Embodied Water, L/kg 290
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 180
960 to 2270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
31 to 39
Strength to Weight: Bending, points 21
26 to 30
Thermal Diffusivity, mm2/s 3.1
4.4
Thermal Shock Resistance, points 18
31 to 39

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Carbon (C), % 0 to 0.050
0 to 0.060
Chromium (Cr), % 27 to 31
15.5 to 17.5
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 7.0 to 11
74.4 to 80.5
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 55.9 to 66
4.0 to 5.5
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.020