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AWS E308Mo vs. Type 1 Magnetic Alloy

Both AWS E308Mo and Type 1 magnetic alloy are iron alloys. They have 65% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS E308Mo and the bottom bar is Type 1 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
4.0 to 38
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 620
500 to 830

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
31
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 3.8
5.6
Embodied Energy, MJ/kg 53
77
Embodied Water, L/kg 160
130

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 22
17 to 28
Strength to Weight: Bending, points 20
17 to 24
Thermal Shock Resistance, points 16
16 to 26

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 18 to 21
0 to 0.3
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.75
0 to 0.3
Iron (Fe), % 59.6 to 70.5
50.7 to 56.5
Manganese (Mn), % 0.5 to 2.5
0 to 0.8
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.3
Nickel (Ni), % 9.0 to 12
43.5 to 46.5
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030