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Monel 400 vs. ASTM A372 Grade E Steel

Monel 400 belongs to the nickel alloys classification, while ASTM A372 grade E steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is Monel 400 and the bottom bar is ASTM A372 grade E steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Elongation at Break, % 20 to 40
20 to 22
Fatigue Strength, MPa 230 to 290
310 to 380
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 62
73
Shear Strength, MPa 370 to 490
410 to 570
Tensile Strength: Ultimate (UTS), MPa 540 to 780
650 to 910
Tensile Strength: Yield (Proof), MPa 210 to 590
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 1000
420
Melting Completion (Liquidus), °C 1350
1460
Melting Onset (Solidus), °C 1300
1420
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 23
44
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 50
2.4
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 7.9
1.5
Embodied Energy, MJ/kg 110
20
Embodied Water, L/kg 250
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1080
500 to 810
Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 17 to 25
23 to 32
Strength to Weight: Bending, points 17 to 21
21 to 27
Thermal Diffusivity, mm2/s 6.1
12
Thermal Shock Resistance, points 17 to 25
19 to 27

Alloy Composition

Carbon (C), % 0 to 0.3
0.25 to 0.35
Chromium (Cr), % 0
0.8 to 1.2
Copper (Cu), % 28 to 34
0
Iron (Fe), % 0 to 2.5
97 to 98.3
Manganese (Mn), % 0 to 2.0
0.4 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 63 to 72
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.024
0 to 0.010

Comparable Variants