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Type 3 Magnetic Alloy vs. SAE-AISI 1018 Steel

Type 3 magnetic alloy belongs to the nickel alloys classification, while SAE-AISI 1018 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 SAE-AISI 1018 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 43
17 to 27
Fatigue Strength, MPa 170
180 to 270
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 70
73
Shear Strength, MPa 380
280 to 300
Tensile Strength: Ultimate (UTS), MPa 550
430 to 480
Tensile Strength: Yield (Proof), MPa 210
240 to 400

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
400
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
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 55
1.8
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 8.7
1.4
Embodied Energy, MJ/kg 120
18
Embodied Water, L/kg 220
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
75 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 120
150 to 430
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 18
15 to 17
Strength to Weight: Bending, points 17
16 to 17
Thermal Shock Resistance, points 18
14 to 15

Alloy Composition

Carbon (C), % 0 to 0.050
0.15 to 0.2
Chromium (Cr), % 2.0 to 3.0
0
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 4.0 to 6.0
0
Iron (Fe), % 9.9 to 19
98.8 to 99.25
Manganese (Mn), % 0 to 1.5
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 75 to 78
0
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 0.050