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Monel 400 vs. N08332 Stainless Steel

Monel 400 belongs to the nickel alloys classification, while N08332 stainless steel belongs to the iron alloys. They have a modest 39% 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 Monel 400 and the bottom bar is N08332 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 20 to 40
34
Fatigue Strength, MPa 230 to 290
170
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 62
76
Shear Strength, MPa 370 to 490
350
Tensile Strength: Ultimate (UTS), MPa 540 to 780
520
Tensile Strength: Yield (Proof), MPa 210 to 590
210

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Mechanical, °C 1000
1050
Melting Completion (Liquidus), °C 1350
1390
Melting Onset (Solidus), °C 1300
1340
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 23
12
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 50
32
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 7.9
5.4
Embodied Energy, MJ/kg 110
77
Embodied Water, L/kg 250
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
140
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1080
110
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 17 to 25
18
Strength to Weight: Bending, points 17 to 21
18
Thermal Diffusivity, mm2/s 6.1
3.1
Thermal Shock Resistance, points 17 to 25
12

Alloy Composition

Carbon (C), % 0 to 0.3
0.050 to 0.1
Chromium (Cr), % 0
17 to 20
Copper (Cu), % 28 to 34
0 to 1.0
Iron (Fe), % 0 to 2.5
38.3 to 48.2
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 63 to 72
34 to 37
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
0.75 to 1.5
Sulfur (S), % 0 to 0.024
0 to 0.030
Tin (Sn), % 0
0 to 0.025