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Type 1 Magnetic Alloy vs. SAE-AISI H12 Steel

Both Type 1 magnetic alloy and SAE-AISI H12 steel are iron alloys. They have 55% of their average alloy composition in common. There are 21 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 1 magnetic alloy and the bottom bar is SAE-AISI H12 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
75
Tensile Strength: Ultimate (UTS), MPa 500 to 830
690 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1420
1480
Melting Onset (Solidus), °C 1370
1440
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
9.0
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 5.6
2.9
Embodied Energy, MJ/kg 77
41
Embodied Water, L/kg 130
76

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 17 to 28
24 to 65
Strength to Weight: Bending, points 17 to 24
22 to 42
Thermal Shock Resistance, points 16 to 26
22 to 60

Alloy Composition

Carbon (C), % 0 to 0.050
0.3 to 0.4
Chromium (Cr), % 0 to 0.3
4.8 to 5.5
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 50.7 to 56.5
87.8 to 91.7
Manganese (Mn), % 0 to 0.8
0.2 to 0.5
Molybdenum (Mo), % 0 to 0.3
1.3 to 1.8
Nickel (Ni), % 43.5 to 46.5
0 to 0.3
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.5
0.8 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
1.0 to 1.7
Vanadium (V), % 0
0 to 0.5

Comparable Variants