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Monel 400 vs. S42030 Stainless Steel

Monel 400 belongs to the nickel alloys classification, while S42030 stainless steel belongs to the iron alloys. 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 400 and the bottom bar is S42030 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 20 to 40
16
Fatigue Strength, MPa 230 to 290
250
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 62
76
Shear Strength, MPa 370 to 490
410
Tensile Strength: Ultimate (UTS), MPa 540 to 780
670
Tensile Strength: Yield (Proof), MPa 210 to 590
410

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 1000
780
Melting Completion (Liquidus), °C 1350
1450
Melting Onset (Solidus), °C 1300
1410
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 23
28
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 50
10
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 7.9
2.5
Embodied Energy, MJ/kg 110
34
Embodied Water, L/kg 250
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
92
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1080
440
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 17 to 25
24
Strength to Weight: Bending, points 17 to 21
22
Thermal Diffusivity, mm2/s 6.1
7.7
Thermal Shock Resistance, points 17 to 25
24

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.3
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 28 to 34
2.0 to 3.0
Iron (Fe), % 0 to 2.5
77.6 to 85
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
1.0 to 3.0
Nickel (Ni), % 63 to 72
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.024
0 to 0.030