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Type 3 Magnetic Alloy vs. S44401 Stainless Steel

Type 3 magnetic alloy belongs to the nickel alloys classification, while S44401 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is Type 3 magnetic alloy and the bottom bar is S44401 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 43
21
Fatigue Strength, MPa 170
200
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 70
78
Shear Strength, MPa 380
300
Tensile Strength: Ultimate (UTS), MPa 550
480
Tensile Strength: Yield (Proof), MPa 210
300

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Mechanical, °C 910
930
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1320
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 55
12
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 8.7
2.9
Embodied Energy, MJ/kg 120
40
Embodied Water, L/kg 220
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
90
Resilience: Unit (Modulus of Resilience), kJ/m3 120
230
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 18
17
Strength to Weight: Bending, points 17
18
Thermal Shock Resistance, points 18
17

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.025
Chromium (Cr), % 2.0 to 3.0
17.5 to 19.5
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 4.0 to 6.0
0
Iron (Fe), % 9.9 to 19
75.1 to 80.6
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
1.8 to 2.5
Nickel (Ni), % 75 to 78
0 to 1.0
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8