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SAE-AISI M42 Steel vs. Type 2 Magnetic Alloy

Both SAE-AISI M42 steel and Type 2 magnetic alloy are iron alloys. They have 52% of their average alloy composition in common. There are 19 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 SAE-AISI M42 steel and the bottom bar is Type 2 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 810 to 2310
510 to 910

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1540
1420
Melting Onset (Solidus), °C 1490
1370
Specific Heat Capacity, J/kg-K 450
460
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 30
33
Density, g/cm3 8.2
8.4
Embodied Carbon, kg CO2/kg material 7.4
5.9
Embodied Energy, MJ/kg 100
81
Embodied Water, L/kg 140
140

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 28 to 79
17 to 30
Strength to Weight: Bending, points 24 to 48
17 to 25
Thermal Shock Resistance, points 25 to 71
16 to 29

Alloy Composition

Carbon (C), % 1.1 to 1.2
0 to 0.050
Chromium (Cr), % 3.5 to 4.3
0 to 0.3
Cobalt (Co), % 7.8 to 8.8
0 to 0.5
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 76.3 to 81
48.2 to 53
Manganese (Mn), % 0.15 to 0.4
0 to 0.8
Molybdenum (Mo), % 9.0 to 10
0 to 0.3
Nickel (Ni), % 0 to 0.3
47 to 49
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0.15 to 0.65
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.2 to 1.9
0
Vanadium (V), % 1.0 to 1.4
0

Comparable Variants