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AWS E309 vs. Monel 400

AWS E309 belongs to the iron alloys classification, while Monel 400 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E309 and the bottom bar is Monel 400.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
160
Elongation at Break, % 34
20 to 40
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 78
62
Tensile Strength: Ultimate (UTS), MPa 620
540 to 780

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1410
1350
Melting Onset (Solidus), °C 1370
1300
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 15
23
Thermal Expansion, µm/m-K 14
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
50
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 3.7
7.9
Embodied Energy, MJ/kg 52
110
Embodied Water, L/kg 180
250

Common Calculations

Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 22
17 to 25
Strength to Weight: Bending, points 21
17 to 21
Thermal Diffusivity, mm2/s 4.0
6.1
Thermal Shock Resistance, points 16
17 to 25

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.3
Chromium (Cr), % 22 to 25
0
Copper (Cu), % 0 to 0.75
28 to 34
Iron (Fe), % 55.8 to 65.5
0 to 2.5
Manganese (Mn), % 0.5 to 2.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 12 to 14
63 to 72
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.024