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AISI 422 Stainless Steel vs. Type 4 Magnetic Alloy

AISI 422 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 (8, in this case) are not shown.

For each property being compared, the top bar is AISI 422 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, % 15 to 17
2.0 to 40
Fatigue Strength, MPa 410 to 500
220 to 400
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
73
Shear Strength, MPa 560 to 660
420 to 630
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
620 to 1100
Tensile Strength: Yield (Proof), MPa 670 to 870
270 to 1040

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Mechanical, °C 650
900
Melting Completion (Liquidus), °C 1480
1420
Melting Onset (Solidus), °C 1470
1370
Specific Heat Capacity, J/kg-K 470
440
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 11
60
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 3.1
10
Embodied Energy, MJ/kg 44
140
Embodied Water, L/kg 100
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
22 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
190 to 2840
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 32 to 38
19 to 35
Strength to Weight: Bending, points 26 to 30
18 to 27
Thermal Shock Resistance, points 33 to 39
21 to 37

Alloy Composition

Carbon (C), % 0.2 to 0.25
0 to 0.050
Chromium (Cr), % 11 to 12.5
0 to 0.3
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 81.9 to 85.8
9.5 to 17.5
Manganese (Mn), % 0.5 to 1.0
0 to 0.8
Molybdenum (Mo), % 0.9 to 1.3
3.5 to 6.0
Nickel (Ni), % 0.5 to 1.0
79 to 82
Phosphorus (P), % 0 to 0.025
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.020
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0