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Type 1 Magnetic Alloy vs. AISI 418 Stainless Steel

Both Type 1 magnetic alloy and AISI 418 stainless steel are iron alloys. They have 56% 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 1 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, % 4.0 to 38
17
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 500 to 830
1100
Tensile Strength: Yield (Proof), MPa 220 to 790
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 3.1
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
15
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 5.6
2.9
Embodied Energy, MJ/kg 77
41
Embodied Water, L/kg 130
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33 to 150
170
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 1690
1830
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 17 to 28
38
Strength to Weight: Bending, points 17 to 24
29
Thermal Shock Resistance, points 16 to 26
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), % 50.7 to 56.5
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), % 43.5 to 46.5
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