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Type 1 Magnetic Alloy vs. SAE-AISI M7 Steel

Both Type 1 magnetic alloy and SAE-AISI M7 steel are iron alloys. They have 55% 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 1 magnetic alloy and the bottom bar is SAE-AISI M7 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
77
Tensile Strength: Ultimate (UTS), MPa 500 to 830
760 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1420
1560
Melting Onset (Solidus), °C 1370
1510
Specific Heat Capacity, J/kg-K 460
450
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 31
18
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 5.6
8.9
Embodied Energy, MJ/kg 77
130
Embodied Water, L/kg 130
100

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 17 to 28
26 to 76
Strength to Weight: Bending, points 17 to 24
23 to 47
Thermal Shock Resistance, points 16 to 26
24 to 69

Alloy Composition

Carbon (C), % 0 to 0.050
1.0 to 1.1
Chromium (Cr), % 0 to 0.3
3.5 to 4.0
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 50.7 to 56.5
79.8 to 83.8
Manganese (Mn), % 0 to 0.8
0.15 to 0.4
Molybdenum (Mo), % 0 to 0.3
8.2 to 9.2
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
0.2 to 0.55
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.8 to 2.3

Comparable Variants