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ASTM Grade HE Steel vs. SAE-AISI L3 Steel

Both ASTM grade HE steel and SAE-AISI L3 steel are iron alloys. They have 63% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HE steel and the bottom bar is SAE-AISI L3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
72
Tensile Strength: Ultimate (UTS), MPa 670
600 to 2250

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
43
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.5
1.9
Embodied Energy, MJ/kg 50
27
Embodied Water, L/kg 190
53

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
21 to 80
Strength to Weight: Bending, points 22
20 to 49
Thermal Diffusivity, mm2/s 3.6
12
Thermal Shock Resistance, points 14
18 to 67

Alloy Composition

Carbon (C), % 0.2 to 0.5
1.0 to 1.1
Chromium (Cr), % 26 to 30
1.3 to 1.7
Iron (Fe), % 53.9 to 65.8
95.5 to 97.3
Manganese (Mn), % 0 to 2.0
0.25 to 0.8
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 8.0 to 11
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
0.1 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3