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SAE-AISI H42 Steel vs. Type 2 Magnetic Alloy

Both SAE-AISI H42 steel and Type 2 magnetic alloy are iron alloys. They have 51% 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 H42 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 77
72
Tensile Strength: Ultimate (UTS), MPa 700 to 1980
510 to 910

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1620
1420
Melting Onset (Solidus), °C 1570
1370
Specific Heat Capacity, J/kg-K 440
460
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
33
Density, g/cm3 8.4
8.4
Embodied Carbon, kg CO2/kg material 8.8
5.9
Embodied Energy, MJ/kg 130
81
Embodied Water, L/kg 98
140

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 23 to 65
17 to 30
Strength to Weight: Bending, points 21 to 42
17 to 25
Thermal Shock Resistance, points 20 to 57
16 to 29

Alloy Composition

Carbon (C), % 0.55 to 0.7
0 to 0.050
Chromium (Cr), % 3.8 to 4.5
0 to 0.3
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 79.3 to 83.8
48.2 to 53
Manganese (Mn), % 0.15 to 0.4
0 to 0.8
Molybdenum (Mo), % 4.5 to 5.5
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
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0

Comparable Variants