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Type 1 Magnetic Alloy vs. ASTM Grade HN Steel

Both Type 1 magnetic alloy and ASTM grade HN steel are iron alloys. They have 77% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is Type 1 magnetic alloy and the bottom bar is ASTM grade HN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.0 to 38
9.0
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 500 to 830
500

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1370
1350
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 31
26
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 5.6
4.6
Embodied Energy, MJ/kg 77
66
Embodied Water, L/kg 130
180

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 17 to 28
17
Strength to Weight: Bending, points 17 to 24
18
Thermal Shock Resistance, points 16 to 26
11

Alloy Composition

Carbon (C), % 0 to 0.050
0.2 to 0.5
Chromium (Cr), % 0 to 0.3
19 to 23
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 50.7 to 56.5
44.9 to 57.8
Manganese (Mn), % 0 to 0.8
0 to 2.0
Molybdenum (Mo), % 0 to 0.3
0 to 0.5
Nickel (Ni), % 43.5 to 46.5
23 to 27
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040