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ACI-ASTM CD3MCuN Steel vs. Type 2 Magnetic Alloy

Both ACI-ASTM CD3MCuN steel and Type 2 magnetic alloy are iron alloys. They have 58% 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 ACI-ASTM CD3MCuN steel and the bottom bar is Type 2 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
2.0 to 38
Poisson's Ratio 0.27
0.3
Shear Modulus, GPa 80
72
Tensile Strength: Ultimate (UTS), MPa 790
510 to 910
Tensile Strength: Yield (Proof), MPa 500
260 to 870

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
4.2

Otherwise Unclassified Properties

Base Metal Price, % relative 20
33
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 3.9
5.9
Embodied Energy, MJ/kg 54
81
Embodied Water, L/kg 180
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
18 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 620
170 to 2010
Stiffness to Weight: Axial, points 15
12
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 28
17 to 30
Strength to Weight: Bending, points 24
17 to 25
Thermal Shock Resistance, points 22
16 to 29

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 24 to 26.7
0 to 0.3
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 1.4 to 1.9
0 to 0.3
Iron (Fe), % 58.2 to 65.9
48.2 to 53
Manganese (Mn), % 0 to 1.2
0 to 0.8
Molybdenum (Mo), % 2.9 to 3.8
0 to 0.3
Nickel (Ni), % 5.6 to 6.7
47 to 49
Nitrogen (N), % 0.22 to 0.33
0
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0 to 1.1
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030