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Type 4 Magnetic Alloy vs. AISI 446 Stainless Steel

Type 4 magnetic alloy belongs to the nickel alloys classification, while AISI 446 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is Type 4 magnetic alloy and the bottom bar is AISI 446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 2.0 to 40
23
Fatigue Strength, MPa 220 to 400
200
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 73
79
Shear Strength, MPa 420 to 630
360
Tensile Strength: Ultimate (UTS), MPa 620 to 1100
570
Tensile Strength: Yield (Proof), MPa 270 to 1040
300

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Mechanical, °C 900
1180
Melting Completion (Liquidus), °C 1420
1510
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 440
490
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 60
12
Density, g/cm3 8.8
7.7
Embodied Carbon, kg CO2/kg material 10
2.4
Embodied Energy, MJ/kg 140
35
Embodied Water, L/kg 210
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 200
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 2840
230
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 22
26
Strength to Weight: Axial, points 19 to 35
21
Strength to Weight: Bending, points 18 to 27
20
Thermal Shock Resistance, points 21 to 37
19

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.2
Chromium (Cr), % 0 to 0.3
23 to 27
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 9.5 to 17.5
69.2 to 77
Manganese (Mn), % 0 to 0.8
0 to 1.5
Molybdenum (Mo), % 3.5 to 6.0
0
Nickel (Ni), % 79 to 82
0 to 0.75
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030