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Type 1 Magnetic Alloy vs. ACI-ASTM CE8MN Steel

Both Type 1 magnetic alloy and ACI-ASTM CE8MN steel are iron alloys. They have 64% of their average alloy composition in common. There are 25 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 1 magnetic alloy and the bottom bar is ACI-ASTM CE8MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.0 to 38
29
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 72
80
Tensile Strength: Ultimate (UTS), MPa 500 to 830
750
Tensile Strength: Yield (Proof), MPa 220 to 790
500

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
21
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 5.6
4.2
Embodied Energy, MJ/kg 77
58
Embodied Water, L/kg 130
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33 to 150
190
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 1690
620
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 17 to 28
27
Strength to Weight: Bending, points 17 to 24
23
Thermal Shock Resistance, points 16 to 26
21

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 0 to 0.3
22.5 to 25.5
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 50.7 to 56.5
56 to 66.4
Manganese (Mn), % 0 to 0.8
0 to 1.0
Molybdenum (Mo), % 0 to 0.3
3.0 to 4.5
Nickel (Ni), % 43.5 to 46.5
8.0 to 11
Nitrogen (N), % 0
0.1 to 0.3
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 to 0.040