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Type 4 Magnetic Alloy vs. AISI 301LN Stainless Steel

Type 4 magnetic alloy belongs to the nickel alloys classification, while AISI 301LN stainless steel belongs to the iron alloys. They have a modest 21% 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 (6, in this case) are not shown.

For each property being compared, the top bar is Type 4 magnetic alloy and the bottom bar is AISI 301LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 2.0 to 40
23 to 51
Fatigue Strength, MPa 220 to 400
270 to 520
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 420 to 630
450 to 670
Tensile Strength: Ultimate (UTS), MPa 620 to 1100
630 to 1060
Tensile Strength: Yield (Proof), MPa 270 to 1040
270 to 770

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Mechanical, °C 900
890
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 440
480
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 60
13
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 10
2.7
Embodied Energy, MJ/kg 140
39
Embodied Water, L/kg 210
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 200
220 to 290
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 2840
180 to 1520
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 19 to 35
22 to 38
Strength to Weight: Bending, points 18 to 27
21 to 30
Thermal Shock Resistance, points 21 to 37
14 to 24

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 0 to 0.3
16 to 18
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 9.5 to 17.5
70.7 to 77.9
Manganese (Mn), % 0 to 0.8
0 to 2.0
Molybdenum (Mo), % 3.5 to 6.0
0
Nickel (Ni), % 79 to 82
6.0 to 8.0
Nitrogen (N), % 0
0.070 to 0.2
Phosphorus (P), % 0 to 0.010
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030

Comparable Variants