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EN 1.4547 Stainless Steel vs. Monel 400

EN 1.4547 stainless steel belongs to the iron alloys classification, while Monel 400 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 30 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 1.4547 stainless steel and the bottom bar is Monel 400.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
160
Elongation at Break, % 39
20 to 40
Fatigue Strength, MPa 290
230 to 290
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 80
62
Shear Strength, MPa 510
370 to 490
Tensile Strength: Ultimate (UTS), MPa 750
540 to 780
Tensile Strength: Yield (Proof), MPa 340
210 to 590

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Mechanical, °C 1090
1000
Melting Completion (Liquidus), °C 1470
1350
Melting Onset (Solidus), °C 1420
1300
Specific Heat Capacity, J/kg-K 460
430
Thermal Conductivity, W/m-K 14
23
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 28
50
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 5.6
7.9
Embodied Energy, MJ/kg 75
110
Embodied Water, L/kg 190
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
140 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 290
140 to 1080
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 26
17 to 25
Strength to Weight: Bending, points 23
17 to 21
Thermal Diffusivity, mm2/s 3.8
6.1
Thermal Shock Resistance, points 16
17 to 25

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), % 51 to 56.3
0 to 2.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 18.5
63 to 72
Nitrogen (N), % 0.18 to 0.25
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.024