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EN 1.4581 Stainless Steel vs. Nickel 242

EN 1.4581 stainless steel belongs to the iron alloys classification, while nickel 242 belongs to the nickel alloys. They have a modest 23% 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 (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4581 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, % 28
45
Fatigue Strength, MPa 150
300
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 78
84
Tensile Strength: Ultimate (UTS), MPa 510
820
Tensile Strength: Yield (Proof), MPa 210
350

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Mechanical, °C 990
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 2.0
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 21
75
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 4.2
14
Embodied Energy, MJ/kg 59
180
Embodied Water, L/kg 160
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
300
Resilience: Unit (Modulus of Resilience), kJ/m3 110
280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 18
25
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 3.9
3.1
Thermal Shock Resistance, points 12
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), % 18 to 20
7.0 to 9.0
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 61.4 to 71
0 to 2.0
Manganese (Mn), % 0 to 1.5
0 to 0.8
Molybdenum (Mo), % 2.0 to 2.5
24 to 26
Nickel (Ni), % 9.0 to 12
59.3 to 69
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.015