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Type 4 Magnetic Alloy vs. AWS E630

Type 4 magnetic alloy belongs to the nickel alloys classification, while AWS E630 belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is Type 4 magnetic alloy and the bottom bar is AWS E630.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 2.0 to 40
8.0
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 620 to 1100
1040

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 440
470
Thermal Expansion, µm/m-K 11
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 60
14
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 10
2.8
Embodied Energy, MJ/kg 140
40
Embodied Water, L/kg 210
140

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 19 to 35
37
Strength to Weight: Bending, points 18 to 27
29
Thermal Shock Resistance, points 21 to 37
28

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.050
Chromium (Cr), % 0 to 0.3
16 to 16.8
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
3.3 to 4.0
Iron (Fe), % 9.5 to 17.5
71.6 to 75.9
Manganese (Mn), % 0 to 0.8
0.25 to 0.75
Molybdenum (Mo), % 3.5 to 6.0
0 to 0.75
Nickel (Ni), % 79 to 82
4.5 to 5.0
Niobium (Nb), % 0
0.15 to 0.3
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030