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EN 1.5023 Steel vs. SAE-AISI 4320 Steel

Both EN 1.5023 steel and SAE-AISI 4320 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.5023 steel and the bottom bar is SAE-AISI 4320 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 440
160 to 240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 570 to 1860
570 to 790

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 400
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 48
46
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
3.4
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.7
Embodied Energy, MJ/kg 19
22
Embodied Water, L/kg 45
52

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 67
20 to 28
Strength to Weight: Bending, points 20 to 43
19 to 24
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 17 to 56
19 to 27

Alloy Composition

Carbon (C), % 0.35 to 0.42
0.17 to 0.22
Chromium (Cr), % 0
0.4 to 0.6
Iron (Fe), % 96.9 to 97.7
95.8 to 97
Manganese (Mn), % 0.5 to 0.8
0.45 to 0.65
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 0
1.7 to 2.0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 1.5 to 1.8
0.15 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.040

Comparable Variants