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EN 1.6522 Steel vs. EN 1.7241 Steel

Both EN 1.6522 steel and EN 1.7241 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.6522 steel and the bottom bar is EN 1.7241 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 190
200 to 480
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 500 to 1460
660 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
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 39
44
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
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
2.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
20
Embodied Water, L/kg 51
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 52
23 to 71
Strength to Weight: Bending, points 18 to 36
21 to 45
Thermal Diffusivity, mm2/s 10
12
Thermal Shock Resistance, points 15 to 43
19 to 59

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.17 to 0.23
0.56 to 0.64
Chromium (Cr), % 0.35 to 0.7
0.7 to 1.0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.6 to 98.5
96.6 to 97.8
Manganese (Mn), % 0.6 to 1.0
0.7 to 1.0
Molybdenum (Mo), % 0.15 to 0.25
0.25 to 0.35
Nickel (Ni), % 0.4 to 0.7
0
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 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025

Comparable Variants