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Type 2 Magnetic Alloy vs. ACI-ASTM CN7MS Steel

Both Type 2 magnetic alloy and ACI-ASTM CN7MS steel are iron alloys. They have 74% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, 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 CN7MS steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 2.0 to 38
39
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 510 to 910
540
Tensile Strength: Yield (Proof), MPa 260 to 870
230

Thermal Properties

Latent Heat of Fusion, J/g 270
340
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1370
1350
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 33
28
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 5.9
5.1
Embodied Energy, MJ/kg 81
71
Embodied Water, L/kg 140
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 160
170
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 2010
140
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 17 to 30
19
Strength to Weight: Bending, points 17 to 25
19
Thermal Shock Resistance, points 16 to 29
13

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.070
Chromium (Cr), % 0 to 0.3
18 to 20
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
1.5 to 2.0
Iron (Fe), % 48.2 to 53
45.4 to 53.5
Manganese (Mn), % 0 to 0.8
0 to 1.0
Molybdenum (Mo), % 0 to 0.3
2.5 to 3.0
Nickel (Ni), % 47 to 49
22 to 25
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.5
2.5 to 3.5
Sulfur (S), % 0 to 0.030
0 to 0.030