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EN 1.4411 Stainless Steel vs. AISI 384 Stainless Steel

Both EN 1.4411 stainless steel and AISI 384 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 26 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 1.4411 stainless steel and the bottom bar is AISI 384 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 78
76
Tensile Strength: Ultimate (UTS), MPa 870
480

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 880
910
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 11
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
20
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.0
3.7
Embodied Energy, MJ/kg 41
52
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 22
16
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31
17
Strength to Weight: Bending, points 26
17
Thermal Diffusivity, mm2/s 4.6
4.3
Thermal Shock Resistance, points 28
11

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.040
Chromium (Cr), % 15 to 17
15 to 17
Iron (Fe), % 73.1 to 79.5
60.9 to 68
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 4.0 to 6.0
17 to 19
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030