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Type 1 Magnetic Alloy vs. S38100 Stainless Steel

Both Type 1 magnetic alloy and S38100 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 25 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 S38100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.0 to 38
45
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 500 to 830
580
Tensile Strength: Yield (Proof), MPa 220 to 790
230

Thermal Properties

Latent Heat of Fusion, J/g 270
320
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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 31
20
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 5.6
3.8
Embodied Energy, MJ/kg 77
54
Embodied Water, L/kg 130
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33 to 150
210
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 1690
140
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 17 to 28
21
Strength to Weight: Bending, points 17 to 24
20
Thermal Shock Resistance, points 16 to 26
13

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 0 to 0.3
17 to 19
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 50.7 to 56.5
57.9 to 64
Manganese (Mn), % 0 to 0.8
0 to 2.0
Molybdenum (Mo), % 0 to 0.3
0
Nickel (Ni), % 43.5 to 46.5
17.5 to 18.5
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.5
1.5 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030