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EN 1.3523 Steel vs. EN 1.3566 Steel

Both EN 1.3523 steel and EN 1.3566 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.3523 steel and the bottom bar is EN 1.3566 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 220
150 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 520 to 1460
490 to 1380

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
420
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
2.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 19
20
Embodied Water, L/kg 53
52

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 52
17 to 49
Strength to Weight: Bending, points 18 to 36
17 to 35
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 15 to 42
14 to 40

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.050
Carbon (C), % 0.17 to 0.22
0.12 to 0.18
Chromium (Cr), % 1.0 to 1.3
0.9 to 1.2
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 96.5 to 97.9
96.8 to 98.4
Manganese (Mn), % 1.1 to 1.4
0.6 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.25
Oxygen (O), % 0 to 0.0020
0 to 0.0020
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030

Comparable Variants