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Type 1 Magnetic Alloy vs. S31254 Stainless Steel

Both Type 1 magnetic alloy and S31254 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is Type 1 magnetic alloy and the bottom bar is S31254 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.0 to 38
40
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
80
Tensile Strength: Ultimate (UTS), MPa 500 to 830
720
Tensile Strength: Yield (Proof), MPa 220 to 790
330

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 460
460
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
28
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 5.6
5.5
Embodied Energy, MJ/kg 77
74
Embodied Water, L/kg 130
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33 to 150
240
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 1690
270
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 17 to 28
25
Strength to Weight: Bending, points 17 to 24
22
Thermal Shock Resistance, points 16 to 26
15

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.020
Chromium (Cr), % 0 to 0.3
19.5 to 20.5
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
0.5 to 1.0
Iron (Fe), % 50.7 to 56.5
51.4 to 56.3
Manganese (Mn), % 0 to 0.8
0 to 1.0
Molybdenum (Mo), % 0 to 0.3
6.0 to 6.5
Nickel (Ni), % 43.5 to 46.5
17.5 to 18.5
Nitrogen (N), % 0
0.18 to 0.22
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.010