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Type 3 Magnetic Alloy vs. S32304 Stainless Steel

Type 3 magnetic alloy belongs to the nickel alloys classification, while S32304 stainless steel belongs to the iron alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is Type 3 magnetic alloy and the bottom bar is S32304 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 43
28
Fatigue Strength, MPa 170
330
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 70
79
Shear Strength, MPa 380
440
Tensile Strength: Ultimate (UTS), MPa 550
670
Tensile Strength: Yield (Proof), MPa 210
460

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Mechanical, °C 910
1050
Melting Completion (Liquidus), °C 1370
1420
Melting Onset (Solidus), °C 1320
1380
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 55
14
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 8.7
2.8
Embodied Energy, MJ/kg 120
40
Embodied Water, L/kg 220
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
170
Resilience: Unit (Modulus of Resilience), kJ/m3 120
520
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 18
24
Strength to Weight: Bending, points 17
22
Thermal Shock Resistance, points 18
18

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 2.0 to 3.0
21.5 to 24.5
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 4.0 to 6.0
0.050 to 0.6
Iron (Fe), % 9.9 to 19
65 to 75.4
Manganese (Mn), % 0 to 1.5
0 to 2.5
Molybdenum (Mo), % 0 to 0.5
0.050 to 0.6
Nickel (Ni), % 75 to 78
3.0 to 5.5
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030