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SAE-AISI 4142 Steel vs. EN 1.5511 Steel

Both SAE-AISI 4142 steel and EN 1.5511 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 SAE-AISI 4142 steel and the bottom bar is EN 1.5511 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
150 to 170
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 590
490 to 580

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 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
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
46

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
17 to 20
Strength to Weight: Bending, points 20
18 to 20
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 19
15 to 17

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.4 to 0.45
0.32 to 0.39
Chromium (Cr), % 0.8 to 1.1
0
Iron (Fe), % 96.8 to 97.8
98.3 to 99.159
Manganese (Mn), % 0.75 to 1.0
0.5 to 0.8
Molybdenum (Mo), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.15 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.015