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EN 1.4821 Stainless Steel vs. Type 4 Magnetic Alloy

EN 1.4821 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 EN 1.4821 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, % 18
2.0 to 40
Fatigue Strength, MPa 280
220 to 400
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 79
73
Shear Strength, MPa 450
420 to 630
Tensile Strength: Ultimate (UTS), MPa 730
620 to 1100
Tensile Strength: Yield (Proof), MPa 450
270 to 1040

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 490
440
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 15
60
Density, g/cm3 7.6
8.8
Embodied Carbon, kg CO2/kg material 2.9
10
Embodied Energy, MJ/kg 41
140
Embodied Water, L/kg 160
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
22 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 500
190 to 2840
Stiffness to Weight: Axial, points 15
12
Stiffness to Weight: Bending, points 26
22
Strength to Weight: Axial, points 26
19 to 35
Strength to Weight: Bending, points 23
18 to 27
Thermal Shock Resistance, points 21
21 to 37

Alloy Composition

Carbon (C), % 0.1 to 0.2
0 to 0.050
Chromium (Cr), % 24.5 to 26.5
0 to 0.3
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 64.2 to 71.1
9.5 to 17.5
Manganese (Mn), % 0 to 2.0
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 0.1
0
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0.8 to 1.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.020