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Type 3 Magnetic Alloy vs. S44800 Stainless Steel

Type 3 magnetic alloy belongs to the nickel alloys classification, while S44800 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is Type 3 magnetic alloy and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
210
Elongation at Break, % 43
23
Fatigue Strength, MPa 170
300
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 70
82
Shear Strength, MPa 380
370
Tensile Strength: Ultimate (UTS), MPa 550
590
Tensile Strength: Yield (Proof), MPa 210
450

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Mechanical, °C 910
1100
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1320
1410
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 55
19
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 8.7
3.8
Embodied Energy, MJ/kg 120
52
Embodied Water, L/kg 220
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
120
Resilience: Unit (Modulus of Resilience), kJ/m3 120
480
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 18
21
Strength to Weight: Bending, points 17
20
Thermal Shock Resistance, points 18
19

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.010
Chromium (Cr), % 2.0 to 3.0
28 to 30
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 4.0 to 6.0
0 to 0.15
Iron (Fe), % 9.9 to 19
62.6 to 66.5
Manganese (Mn), % 0 to 1.5
0 to 0.3
Molybdenum (Mo), % 0 to 0.5
3.5 to 4.2
Nickel (Ni), % 75 to 78
2.0 to 2.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.010
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.2
Sulfur (S), % 0 to 0.020
0 to 0.020