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EN 1.4401 Stainless Steel vs. Nickel 242

EN 1.4401 stainless steel belongs to the iron alloys classification, while nickel 242 belongs to the nickel alloys. They have a modest 24% 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 (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4401 stainless steel and the bottom bar is nickel 242.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 14 to 40
45
Fatigue Strength, MPa 200 to 320
300
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 78
84
Shear Strength, MPa 410 to 550
570
Tensile Strength: Ultimate (UTS), MPa 600 to 900
820
Tensile Strength: Yield (Proof), MPa 230 to 570
350

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Mechanical, °C 950
930
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1400
1290
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
75
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 3.8
14
Embodied Energy, MJ/kg 52
180
Embodied Water, L/kg 150
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
300
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 800
280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 21 to 32
25
Strength to Weight: Bending, points 20 to 26
21
Thermal Diffusivity, mm2/s 4.0
3.1
Thermal Shock Resistance, points 13 to 20
25

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
7.0 to 9.0
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 62.8 to 71.5
0 to 2.0
Manganese (Mn), % 0 to 2.0
0 to 0.8
Molybdenum (Mo), % 2.0 to 2.5
24 to 26
Nickel (Ni), % 10 to 13
59.3 to 69
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.015