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AWS E33-31 vs. Grade 361 Molybdenum

AWS E33-31 belongs to the iron alloys classification, while grade 361 molybdenum belongs to the otherwise unclassified metals. There are 17 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 E33-31 and the bottom bar is grade 361 molybdenum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
310
Elongation at Break, % 29
6.3
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 81
120
Tensile Strength: Ultimate (UTS), MPa 810
620

Thermal Properties

Latent Heat of Fusion, J/g 320
370
Specific Heat Capacity, J/kg-K 480
250
Thermal Expansion, µm/m-K 14
7.0

Otherwise Unclassified Properties

Density, g/cm3 7.9
10
Embodied Carbon, kg CO2/kg material 6.0
28
Embodied Energy, MJ/kg 86
330
Embodied Water, L/kg 260
360

Common Calculations

Stiffness to Weight: Axial, points 14
17
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 28
17
Strength to Weight: Bending, points 24
16
Thermal Shock Resistance, points 19
21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 31 to 35
0
Copper (Cu), % 0.4 to 0.8
0
Iron (Fe), % 24.7 to 34.8
0 to 0.010
Manganese (Mn), % 2.5 to 4.0
0
Molybdenum (Mo), % 1.0 to 2.0
99.9 to 100
Nickel (Ni), % 30 to 32
0 to 0.0050
Nitrogen (N), % 0.3 to 0.5
0 to 0.0020
Oxygen (O), % 0
0 to 0.0070
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.9
0 to 0.010
Sulfur (S), % 0 to 0.010
0