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EN 1.4749 Stainless Steel vs. Type 3 Magnetic Alloy

EN 1.4749 stainless steel belongs to the iron alloys classification, while Type 3 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 1.4749 stainless steel and the bottom bar is Type 3 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 16
43
Fatigue Strength, MPa 190
170
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 80
70
Shear Strength, MPa 370
380
Tensile Strength: Ultimate (UTS), MPa 600
550
Tensile Strength: Yield (Proof), MPa 320
210

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Mechanical, °C 1100
910
Melting Completion (Liquidus), °C 1420
1370
Melting Onset (Solidus), °C 1380
1320
Specific Heat Capacity, J/kg-K 490
450
Thermal Expansion, µm/m-K 9.6
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
55
Density, g/cm3 7.6
8.7
Embodied Carbon, kg CO2/kg material 2.5
8.7
Embodied Energy, MJ/kg 36
120
Embodied Water, L/kg 160
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
190
Resilience: Unit (Modulus of Resilience), kJ/m3 250
120
Stiffness to Weight: Axial, points 15
12
Stiffness to Weight: Bending, points 26
22
Strength to Weight: Axial, points 22
18
Strength to Weight: Bending, points 21
17
Thermal Shock Resistance, points 22
18

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.050
Chromium (Cr), % 26 to 29
2.0 to 3.0
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
4.0 to 6.0
Iron (Fe), % 68.5 to 73.7
9.9 to 19
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
75 to 78
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.020