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Type 3 Magnetic Alloy vs. ASTM A387 Grade 22 Steel

Type 3 magnetic alloy belongs to the nickel alloys classification, while ASTM A387 grade 22 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 ASTM A387 grade 22 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 43
21
Fatigue Strength, MPa 170
160 to 240
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 70
74
Shear Strength, MPa 380
300 to 380
Tensile Strength: Ultimate (UTS), MPa 550
480 to 600
Tensile Strength: Yield (Proof), MPa 210
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 910
460
Melting Completion (Liquidus), °C 1370
1470
Melting Onset (Solidus), °C 1320
1430
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 55
3.8
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 8.7
1.7
Embodied Energy, MJ/kg 120
23
Embodied Water, L/kg 220
58

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
85 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 120
140 to 320
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 18
17 to 21
Strength to Weight: Bending, points 17
17 to 20
Thermal Shock Resistance, points 18
14 to 17

Alloy Composition

Carbon (C), % 0 to 0.050
0.050 to 0.15
Chromium (Cr), % 2.0 to 3.0
2.0 to 2.5
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 4.0 to 6.0
0
Iron (Fe), % 9.9 to 19
95.1 to 96.8
Manganese (Mn), % 0 to 1.5
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.5
0.9 to 1.1
Nickel (Ni), % 75 to 78
0
Phosphorus (P), % 0 to 0.010
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.025