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Type 3 Magnetic Alloy vs. ACI-ASTM CA40 Steel

Type 3 magnetic alloy belongs to the nickel alloys classification, while ACI-ASTM CA40 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is Type 3 magnetic alloy and the bottom bar is ACI-ASTM CA40 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 43
10
Fatigue Strength, MPa 170
460
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 70
76
Tensile Strength: Ultimate (UTS), MPa 550
910
Tensile Strength: Yield (Proof), MPa 210
860

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Mechanical, °C 910
750
Melting Completion (Liquidus), °C 1370
1440
Melting Onset (Solidus), °C 1320
1500
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 55
7.5
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 8.7
2.0
Embodied Energy, MJ/kg 120
28
Embodied Water, L/kg 220
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
89
Resilience: Unit (Modulus of Resilience), kJ/m3 120
1910
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 18
33
Strength to Weight: Bending, points 17
27
Thermal Shock Resistance, points 18
33

Alloy Composition

Carbon (C), % 0 to 0.050
0.2 to 0.4
Chromium (Cr), % 2.0 to 3.0
11.5 to 14
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 4.0 to 6.0
0
Iron (Fe), % 9.9 to 19
81.5 to 88.3
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 75 to 78
0 to 1.0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.5
Sulfur (S), % 0 to 0.020
0 to 0.040