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EN 1.7241 Steel vs. SAE-AISI 1552 Steel

Both EN 1.7241 steel and SAE-AISI 1552 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.7241 steel and the bottom bar is SAE-AISI 1552 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
220 to 250
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 660 to 1990
760 to 840

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
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 44
51
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 51
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 71
27 to 30
Strength to Weight: Bending, points 21 to 45
24 to 25
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 19 to 59
26 to 29

Alloy Composition

Carbon (C), % 0.56 to 0.64
0.47 to 0.55
Chromium (Cr), % 0.7 to 1.0
0
Iron (Fe), % 96.6 to 97.8
97.9 to 98.3
Manganese (Mn), % 0.7 to 1.0
1.2 to 1.5
Molybdenum (Mo), % 0.25 to 0.35
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.025
0 to 0.050