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EN 1.6523 Steel vs. EN 1.1203 Steel

Both EN 1.6523 steel and EN 1.1203 steel are iron alloys. Their average alloy composition is basically identical. 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 1.6523 steel and the bottom bar is EN 1.1203 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 190
200 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 510 to 1460
690 to 780

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
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 39
48
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 50
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 52
25 to 28
Strength to Weight: Bending, points 18 to 36
22 to 24
Thermal Diffusivity, mm2/s 10
13
Thermal Shock Resistance, points 15 to 43
22 to 25

Alloy Composition

Carbon (C), % 0.17 to 0.23
0.52 to 0.6
Chromium (Cr), % 0.35 to 0.7
0 to 0.4
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 96.6 to 98.3
97.1 to 98.9
Manganese (Mn), % 0.65 to 1.0
0.6 to 0.9
Molybdenum (Mo), % 0.15 to 0.25
0 to 0.1
Nickel (Ni), % 0.4 to 0.7
0 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.3
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.035