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AISI 201L Stainless Steel vs. Type 4 Magnetic Alloy

AISI 201L stainless steel belongs to the iron alloys classification, while Type 4 magnetic alloy belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 201L stainless steel and the bottom bar is Type 4 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22 to 46
2.0 to 40
Fatigue Strength, MPa 270 to 530
220 to 400
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
73
Shear Strength, MPa 520 to 660
420 to 630
Tensile Strength: Ultimate (UTS), MPa 740 to 1040
620 to 1100
Tensile Strength: Yield (Proof), MPa 290 to 790
270 to 1040

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Mechanical, °C 880
900
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 480
440
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 12
60
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 2.6
10
Embodied Energy, MJ/kg 38
140
Embodied Water, L/kg 140
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 300
22 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 1570
190 to 2840
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 27 to 37
19 to 35
Strength to Weight: Bending, points 24 to 30
18 to 27
Thermal Shock Resistance, points 16 to 23
21 to 37

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 16 to 18
0 to 0.3
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 67.9 to 75
9.5 to 17.5
Manganese (Mn), % 5.5 to 7.5
0 to 0.8
Molybdenum (Mo), % 0
3.5 to 6.0
Nickel (Ni), % 3.5 to 5.5
79 to 82
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.020

Comparable Variants