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Monel R-405 vs. EN 1.4877 Stainless Steel

Monel R-405 belongs to the nickel alloys classification, while EN 1.4877 stainless steel belongs to the iron alloys. They have a modest 34% 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 Monel R-405 and the bottom bar is EN 1.4877 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 9.1 to 39
36
Fatigue Strength, MPa 210 to 250
170
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 62
79
Shear Strength, MPa 350 to 370
420
Tensile Strength: Ultimate (UTS), MPa 540 to 630
630
Tensile Strength: Yield (Proof), MPa 190 to 350
200

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Mechanical, °C 900
1150
Melting Completion (Liquidus), °C 1350
1400
Melting Onset (Solidus), °C 1300
1360
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 23
12
Thermal Expansion, µm/m-K 14
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 50
37
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 7.9
6.2
Embodied Energy, MJ/kg 110
89
Embodied Water, L/kg 250
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 170
180
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 370
100
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 17 to 20
22
Strength to Weight: Bending, points 17 to 18
20
Thermal Diffusivity, mm2/s 5.9
3.2
Thermal Shock Resistance, points 17 to 20
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.025
Carbon (C), % 0 to 0.3
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 28 to 34
0
Iron (Fe), % 0 to 2.5
36.4 to 42.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 63 to 72
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.3
Sulfur (S), % 0.025 to 0.060
0 to 0.010