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Type 2 Magnetic Alloy vs. ACI-ASTM CA40F Steel

Both Type 2 magnetic alloy and ACI-ASTM CA40F steel are iron alloys. They have 52% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is Type 2 magnetic alloy and the bottom bar is ACI-ASTM CA40F steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 2.0 to 38
13
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 510 to 910
770
Tensile Strength: Yield (Proof), MPa 260 to 870
550

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.9
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 4.2
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 33
7.5
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 5.9
2.0
Embodied Energy, MJ/kg 81
28
Embodied Water, L/kg 140
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 160
94
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 2010
790
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 17 to 30
28
Strength to Weight: Bending, points 17 to 25
24
Thermal Shock Resistance, points 16 to 29
28

Alloy Composition

Carbon (C), % 0 to 0.050
0.2 to 0.4
Chromium (Cr), % 0 to 0.3
11.5 to 14
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 48.2 to 53
81.6 to 88.3
Manganese (Mn), % 0 to 0.8
0 to 1.0
Molybdenum (Mo), % 0 to 0.3
0 to 0.5
Nickel (Ni), % 47 to 49
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 0.030
0.2 to 0.4