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AWS E33-31 vs. Type 1 Magnetic Alloy

Both AWS E33-31 and Type 1 magnetic alloy are iron alloys. They have 62% of their average alloy composition in common. There are 20 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 Type 1 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 29
4.0 to 38
Poisson's Ratio 0.27
0.3
Shear Modulus, GPa 81
72
Tensile Strength: Ultimate (UTS), MPa 810
500 to 830

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Melting Completion (Liquidus), °C 1380
1420
Melting Onset (Solidus), °C 1330
1370
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
31
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 6.0
5.6
Embodied Energy, MJ/kg 86
77
Embodied Water, L/kg 260
130

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 28
17 to 28
Strength to Weight: Bending, points 24
17 to 24
Thermal Shock Resistance, points 19
16 to 26

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 31 to 35
0 to 0.3
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0.4 to 0.8
0 to 0.3
Iron (Fe), % 24.7 to 34.8
50.7 to 56.5
Manganese (Mn), % 2.5 to 4.0
0 to 0.8
Molybdenum (Mo), % 1.0 to 2.0
0 to 0.3
Nickel (Ni), % 30 to 32
43.5 to 46.5
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.020
0 to 0.010
Silicon (Si), % 0 to 0.9
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.030