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AISI 309H Stainless Steel vs. EN 1.5023 Steel

Both AISI 309H stainless steel and EN 1.5023 steel are iron alloys. They have 63% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AISI 309H stainless steel and the bottom bar is EN 1.5023 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 580
570 to 1860

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Mechanical, °C 1080
400
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
48
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.9
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.6
1.4
Embodied Energy, MJ/kg 51
19
Embodied Water, L/kg 170
45

Common Calculations

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

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.35 to 0.42
Chromium (Cr), % 22 to 24
0
Iron (Fe), % 58.1 to 66
96.9 to 97.7
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Nickel (Ni), % 12 to 15
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
1.5 to 1.8
Sulfur (S), % 0 to 0.030
0 to 0.025