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SAE-AISI M41 Steel vs. Type 3 Magnetic Alloy

SAE-AISI M41 steel belongs to the iron alloys classification, while Type 3 magnetic alloy belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M41 steel and the bottom bar is Type 3 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 77
70
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
550

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1600
1370
Melting Onset (Solidus), °C 1550
1320
Specific Heat Capacity, J/kg-K 440
450
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 33
55
Density, g/cm3 8.4
8.7
Embodied Carbon, kg CO2/kg material 9.1
8.7
Embodied Energy, MJ/kg 140
120
Embodied Water, L/kg 120
220

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 26 to 76
18
Strength to Weight: Bending, points 23 to 46
17
Thermal Shock Resistance, points 25 to 71
18

Alloy Composition

Carbon (C), % 1.1 to 1.2
0 to 0.050
Chromium (Cr), % 3.8 to 4.5
2.0 to 3.0
Cobalt (Co), % 4.8 to 5.8
0 to 0.5
Copper (Cu), % 0 to 0.25
4.0 to 6.0
Iron (Fe), % 73.4 to 78.9
9.9 to 19
Manganese (Mn), % 0.2 to 0.6
0 to 1.5
Molybdenum (Mo), % 3.3 to 4.3
0 to 0.5
Nickel (Ni), % 0 to 0.3
75 to 78
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0.15 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0