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EN 1.3520 Steel vs. EN 1.3523 Steel

Both EN 1.3520 steel and EN 1.3523 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.3520 steel and the bottom bar is EN 1.3523 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 220
160 to 220
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 620 to 730
520 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 430
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 43
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 54
53

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 26
19 to 52
Strength to Weight: Bending, points 21 to 23
18 to 36
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 18 to 22
15 to 42

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.050
Carbon (C), % 0.93 to 1.1
0.17 to 0.22
Chromium (Cr), % 1.4 to 1.7
1.0 to 1.3
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 95.9 to 97.2
96.5 to 97.9
Manganese (Mn), % 1.0 to 1.2
1.1 to 1.4
Molybdenum (Mo), % 0 to 0.1
0
Oxygen (O), % 0 to 0.0015
0 to 0.0020
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.45 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030

Comparable Variants