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EN 1.4557 Stainless Steel vs. Monel R-405

EN 1.4557 stainless steel belongs to the iron alloys classification, while Monel R-405 belongs to the nickel alloys. They have a modest 21% 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 (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4557 stainless steel and the bottom bar is Monel R-405.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
160
Elongation at Break, % 40
9.1 to 39
Fatigue Strength, MPa 260
210 to 250
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 80
62
Tensile Strength: Ultimate (UTS), MPa 560
540 to 630
Tensile Strength: Yield (Proof), MPa 300
190 to 350

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Mechanical, °C 1090
900
Melting Completion (Liquidus), °C 1460
1350
Melting Onset (Solidus), °C 1420
1300
Specific Heat Capacity, J/kg-K 460
430
Thermal Conductivity, W/m-K 15
23
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 29
50
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 5.6
7.9
Embodied Energy, MJ/kg 76
110
Embodied Water, L/kg 190
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
49 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 210
120 to 370
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 19
17 to 20
Strength to Weight: Bending, points 19
17 to 18
Thermal Diffusivity, mm2/s 4.0
5.9
Thermal Shock Resistance, points 12
17 to 20

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.3
Chromium (Cr), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
28 to 34
Iron (Fe), % 49.5 to 56.3
0 to 2.5
Manganese (Mn), % 0 to 1.2
0 to 2.0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 19.5
63 to 72
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.010
0.025 to 0.060