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EN 1.4421 Stainless Steel vs. EN 2.4642 Nickel

EN 1.4421 stainless steel belongs to the iron alloys classification, while EN 2.4642 nickel belongs to the nickel 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 1.4421 stainless steel and the bottom bar is EN 2.4642 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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