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EN 1.4404 Stainless Steel vs. EN 1.5023 Steel

Both EN 1.4404 stainless steel and EN 1.5023 steel are iron alloys. They have 68% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4404 stainless steel and the bottom bar is EN 1.5023 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
170 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 600 to 900
570 to 1860

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Mechanical, °C 950
400
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
48
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.9
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.8
1.4
Embodied Energy, MJ/kg 52
19
Embodied Water, L/kg 150
45

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
21 to 67
Strength to Weight: Bending, points 20 to 26
20 to 43
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 13 to 20
17 to 56

Alloy Composition

Carbon (C), % 0 to 0.030
0.35 to 0.42
Chromium (Cr), % 16.5 to 18.5
0
Iron (Fe), % 62.8 to 71.5
96.9 to 97.7
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 10 to 13
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
1.5 to 1.8
Sulfur (S), % 0 to 0.015
0 to 0.025

Comparable Variants