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Type 4 Magnetic Alloy vs. EN 1.4421 Stainless Steel

Type 4 magnetic alloy belongs to the nickel alloys classification, while EN 1.4421 stainless steel belongs to the iron alloys. There are 27 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 4 magnetic alloy and the bottom bar is EN 1.4421 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 2.0 to 40
11 to 17
Fatigue Strength, MPa 220 to 400
380 to 520
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 620 to 1100
880 to 1100
Tensile Strength: Yield (Proof), MPa 270 to 1040
620 to 950

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Mechanical, °C 900
870
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 440
480
Thermal Expansion, µm/m-K 11
10

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 60
12
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 10
2.6
Embodied Energy, MJ/kg 140
36
Embodied Water, L/kg 210
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 200
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 2840
960 to 2270
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 19 to 35
31 to 39
Strength to Weight: Bending, points 18 to 27
26 to 30
Thermal Shock Resistance, points 21 to 37
31 to 39

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.060
Chromium (Cr), % 0 to 0.3
15.5 to 17.5
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 9.5 to 17.5
74.4 to 80.5
Manganese (Mn), % 0 to 0.8
0 to 1.0
Molybdenum (Mo), % 3.5 to 6.0
0 to 0.7
Nickel (Ni), % 79 to 82
4.0 to 5.5
Phosphorus (P), % 0 to 0.010
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.020
0 to 0.020

Comparable Variants