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AISI 384 Stainless Steel vs. EN 1.4905 Stainless Steel

Both AISI 384 stainless steel and EN 1.4905 stainless steel are iron alloys. They have 74% 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 1.4905 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 480
740

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 410
380
Maximum Temperature: Mechanical, °C 910
660
Melting Completion (Liquidus), °C 1420
1480
Melting Onset (Solidus), °C 1380
1440
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
26
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
4.2

Otherwise Unclassified Properties

Base Metal Price, % relative 20
9.5
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.7
2.8
Embodied Energy, MJ/kg 52
40
Embodied Water, L/kg 150
90

Common Calculations

PREN (Pitting Resistance) 16
15
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
26
Strength to Weight: Bending, points 17
23
Thermal Diffusivity, mm2/s 4.3
7.0
Thermal Shock Resistance, points 11
25

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Boron (B), % 0
0.00050 to 0.0050
Carbon (C), % 0 to 0.040
0.090 to 0.13
Chromium (Cr), % 15 to 17
8.5 to 9.5
Iron (Fe), % 60.9 to 68
86.2 to 88.8
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 17 to 19
0.1 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.050 to 0.090
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 1.0
0.1 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0
0.9 to 1.1
Vanadium (V), % 0
0.18 to 0.25