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Type 3 Magnetic Alloy vs. EN 1.4021 Stainless Steel

Type 3 magnetic alloy belongs to the nickel alloys classification, while EN 1.4021 stainless steel belongs to the iron alloys. 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 3 magnetic alloy and the bottom bar is EN 1.4021 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 43
11 to 17
Fatigue Strength, MPa 170
240 to 380
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 70
76
Shear Strength, MPa 380
390 to 530
Tensile Strength: Ultimate (UTS), MPa 550
630 to 880
Tensile Strength: Yield (Proof), MPa 210
390 to 670

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Mechanical, °C 910
760
Melting Completion (Liquidus), °C 1370
1440
Melting Onset (Solidus), °C 1320
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 55
7.0
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 8.7
1.9
Embodied Energy, MJ/kg 120
27
Embodied Water, L/kg 220
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
88 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 120
400 to 1160
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 18
23 to 31
Strength to Weight: Bending, points 17
21 to 26
Thermal Shock Resistance, points 18
22 to 31

Alloy Composition

Carbon (C), % 0 to 0.050
0.16 to 0.25
Chromium (Cr), % 2.0 to 3.0
12 to 14
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 4.0 to 6.0
0
Iron (Fe), % 9.9 to 19
83.2 to 87.8
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 75 to 78
0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015