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Type 4 Magnetic Alloy vs. S35125 Stainless Steel

Type 4 magnetic alloy belongs to the nickel alloys classification, while S35125 stainless steel belongs to the iron alloys. They have 50% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is Type 4 magnetic alloy and the bottom bar is S35125 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 2.0 to 40
39
Fatigue Strength, MPa 220 to 400
200
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 420 to 630
370
Tensile Strength: Ultimate (UTS), MPa 620 to 1100
540
Tensile Strength: Yield (Proof), MPa 270 to 1040
230

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 440
470
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 60
36
Density, g/cm3 8.8
8.1
Embodied Carbon, kg CO2/kg material 10
6.4
Embodied Energy, MJ/kg 140
89
Embodied Water, L/kg 210
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 200
170
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 2840
140
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 19 to 35
19
Strength to Weight: Bending, points 18 to 27
18
Thermal Shock Resistance, points 21 to 37
12

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.1
Chromium (Cr), % 0 to 0.3
20 to 23
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 9.5 to 17.5
36.2 to 45.8
Manganese (Mn), % 0 to 0.8
1.0 to 1.5
Molybdenum (Mo), % 3.5 to 6.0
2.0 to 3.0
Nickel (Ni), % 79 to 82
31 to 35
Niobium (Nb), % 0
0.25 to 0.6
Phosphorus (P), % 0 to 0.010
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.015