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EN 1.3523 Steel vs. EN 1.7201 Steel

Both EN 1.3523 steel and EN 1.7201 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 1.7201 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 220
130 to 160
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
430 to 1300

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
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 52
15 to 46
Strength to Weight: Bending, points 18 to 36
16 to 34
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 15 to 42
13 to 38

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.17 to 0.22
0.1 to 0.15
Chromium (Cr), % 1.0 to 1.3
0.9 to 1.2
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 96.5 to 97.9
96.9 to 98.3
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
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025

Comparable Variants