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Type 2 Magnetic Alloy vs. AISI 418 Stainless Steel

Both Type 2 magnetic alloy and AISI 418 stainless steel are iron alloys. They have 53% of their average alloy composition in common. There are 25 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 2 magnetic alloy and the bottom bar is AISI 418 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 2.0 to 38
17
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 510 to 910
1100
Tensile Strength: Yield (Proof), MPa 260 to 870
850

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1420
1500
Melting Onset (Solidus), °C 1370
1460
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.9
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 4.2
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 33
15
Density, g/cm3 8.4
8.0
Embodied Carbon, kg CO2/kg material 5.9
2.9
Embodied Energy, MJ/kg 81
41
Embodied Water, L/kg 140
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 160
170
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 2010
1830
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 17 to 30
38
Strength to Weight: Bending, points 17 to 25
29
Thermal Shock Resistance, points 16 to 29
40

Alloy Composition

Carbon (C), % 0 to 0.050
0.15 to 0.2
Chromium (Cr), % 0 to 0.3
12 to 14
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 48.2 to 53
78.5 to 83.6
Manganese (Mn), % 0 to 0.8
0 to 0.5
Molybdenum (Mo), % 0 to 0.3
0 to 0.5
Nickel (Ni), % 47 to 49
1.8 to 2.2
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
2.5 to 3.5