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EN 1.4477 Stainless Steel vs. Type 4 Magnetic Alloy

EN 1.4477 stainless steel belongs to the iron alloys classification, while Type 4 magnetic alloy belongs to the nickel alloys. They have a modest 23% 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 (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4477 stainless steel and the bottom bar is Type 4 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 22 to 23
2.0 to 40
Fatigue Strength, MPa 420 to 490
220 to 400
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 81
73
Shear Strength, MPa 550 to 580
420 to 630
Tensile Strength: Ultimate (UTS), MPa 880 to 930
620 to 1100
Tensile Strength: Yield (Proof), MPa 620 to 730
270 to 1040

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
440
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 20
60
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 3.7
10
Embodied Energy, MJ/kg 52
140
Embodied Water, L/kg 190
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
22 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
190 to 2840
Stiffness to Weight: Axial, points 15
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 31 to 33
19 to 35
Strength to Weight: Bending, points 26 to 27
18 to 27
Thermal Shock Resistance, points 23 to 25
21 to 37

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 28 to 30
0 to 0.3
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.8
0 to 0.3
Iron (Fe), % 56.6 to 63.6
9.5 to 17.5
Manganese (Mn), % 0.8 to 1.5
0 to 0.8
Molybdenum (Mo), % 1.5 to 2.6
3.5 to 6.0
Nickel (Ni), % 5.8 to 7.5
79 to 82
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.020

Comparable Variants