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SAE-AISI 1140 Steel vs. EN 1.8523 Steel

Both SAE-AISI 1140 steel and EN 1.8523 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1140 steel and the bottom bar is EN 1.8523 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
300
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 18
15
Fatigue Strength, MPa 230 to 370
530
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
74
Shear Strength, MPa 370 to 420
610
Tensile Strength: Ultimate (UTS), MPa 600 to 700
1000
Tensile Strength: Yield (Proof), MPa 340 to 570
800

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
480
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 51
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
4.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.2
Embodied Energy, MJ/kg 18
31
Embodied Water, L/kg 46
64

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 93
140
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 870
1700
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 25
36
Strength to Weight: Bending, points 20 to 22
28
Thermal Diffusivity, mm2/s 14
10
Thermal Shock Resistance, points 18 to 21
29

Alloy Composition

Carbon (C), % 0.37 to 0.44
0.35 to 0.45
Chromium (Cr), % 0
3.0 to 3.5
Iron (Fe), % 98.4 to 98.9
93.5 to 95.7
Manganese (Mn), % 0.7 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 0
0.8 to 1.1
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0.080 to 0.13
0 to 0.035
Vanadium (V), % 0
0.15 to 0.25