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Type 2 Magnetic Alloy vs. SAE-AISI H21 Steel

Both Type 2 magnetic alloy and SAE-AISI H21 steel 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 Type 2 magnetic alloy and the bottom bar is SAE-AISI H21 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 510 to 910
720 to 1790

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1420
1630
Melting Onset (Solidus), °C 1370
1580
Specific Heat Capacity, J/kg-K 460
440
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 33
23
Density, g/cm3 8.4
8.5
Embodied Carbon, kg CO2/kg material 5.9
4.5
Embodied Energy, MJ/kg 81
68
Embodied Water, L/kg 140
72

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 17 to 30
23 to 58
Strength to Weight: Bending, points 17 to 25
21 to 38
Thermal Shock Resistance, points 16 to 29
24 to 59

Alloy Composition

Carbon (C), % 0 to 0.050
0.28 to 0.36
Chromium (Cr), % 0 to 0.3
3.0 to 3.8
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 48.2 to 53
87.6 to 93.8
Manganese (Mn), % 0 to 0.8
0.15 to 0.4
Molybdenum (Mo), % 0 to 0.3
0
Nickel (Ni), % 47 to 49
0 to 0.3
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.5
0.15 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
8.5 to 10
Vanadium (V), % 0
0.3 to 0.6

Comparable Variants