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Type 2 Magnetic Alloy vs. ASTM A387 Grade 12 Steel

Both Type 2 magnetic alloy and ASTM A387 grade 12 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 ASTM A387 grade 12 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 2.0 to 38
25
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 510 to 910
470 to 520
Tensile Strength: Yield (Proof), MPa 260 to 870
260 to 310

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 4.2
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
2.8
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 5.9
1.6
Embodied Energy, MJ/kg 81
21
Embodied Water, L/kg 140
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 160
98 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 2010
180 to 250
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 17 to 30
16 to 18
Strength to Weight: Bending, points 17 to 25
17 to 18
Thermal Shock Resistance, points 16 to 29
14 to 15

Alloy Composition

Carbon (C), % 0 to 0.050
0.050 to 0.17
Chromium (Cr), % 0 to 0.3
0.8 to 1.2
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 48.2 to 53
97 to 98.2
Manganese (Mn), % 0 to 0.8
0.4 to 0.65
Molybdenum (Mo), % 0 to 0.3
0.45 to 0.6
Nickel (Ni), % 47 to 49
0
Phosphorus (P), % 0 to 0.010
0 to 0.025
Silicon (Si), % 0 to 0.5
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025

Comparable Variants