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EN 1.8522 Steel vs. SAE-AISI 5140 Steel

Both EN 1.8522 steel and SAE-AISI 5140 steel are iron alloys. They have a very high 97% 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 1.8522 steel and the bottom bar is SAE-AISI 5140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 380
170 to 290
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 730 to 1250
560 to 970

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 470
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
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.2
1.4
Embodied Energy, MJ/kg 31
19
Embodied Water, L/kg 63
49

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 44
20 to 34
Strength to Weight: Bending, points 23 to 33
19 to 28
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 21 to 36
16 to 29

Alloy Composition

Carbon (C), % 0.29 to 0.36
0.38 to 0.43
Chromium (Cr), % 2.8 to 3.3
0.7 to 0.9
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 93.7 to 96
97.3 to 98.1
Manganese (Mn), % 0.4 to 0.7
0.7 to 0.9
Molybdenum (Mo), % 0.7 to 1.2
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0.15 to 0.35
Sulfur (S), % 0 to 0.035
0 to 0.040
Vanadium (V), % 0.15 to 0.25
0

Comparable Variants