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AISI 384 Stainless Steel vs. EN 1.4422 Stainless Steel

Both AISI 384 stainless steel and EN 1.4422 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 26 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 384 stainless steel and the bottom bar is EN 1.4422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 480
850

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 910
760
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 20
11
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.7
2.7
Embodied Energy, MJ/kg 52
37
Embodied Water, L/kg 150
110

Common Calculations

PREN (Pitting Resistance) 16
17
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
30
Strength to Weight: Bending, points 17
25
Thermal Diffusivity, mm2/s 4.3
4.3
Thermal Shock Resistance, points 11
31

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.020
Chromium (Cr), % 15 to 17
11 to 13
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 60.9 to 68
76.8 to 83.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 17 to 19
4.0 to 5.0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0030