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ASTM Grade HE Steel vs. SAE-AISI F2 Steel

Both ASTM grade HE steel and SAE-AISI F2 steel are iron alloys. They have 61% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 F2 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
73
Tensile Strength: Ultimate (UTS), MPa 670
710 to 2360

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Melting Completion (Liquidus), °C 1400
1520
Melting Onset (Solidus), °C 1360
1470
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 14
42
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
10
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 3.5
2.3
Embodied Energy, MJ/kg 50
32
Embodied Water, L/kg 190
50

Common Calculations

PREN (Pitting Resistance) 29
6.5
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
24 to 81
Strength to Weight: Bending, points 22
22 to 49
Thermal Diffusivity, mm2/s 3.6
11
Thermal Shock Resistance, points 14
21 to 71

Alloy Composition

Carbon (C), % 0.2 to 0.5
1.2 to 1.4
Chromium (Cr), % 26 to 30
0.2 to 0.4
Iron (Fe), % 53.9 to 65.8
92.6 to 95.4
Manganese (Mn), % 0 to 2.0
0.1 to 0.5
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
Tungsten (W), % 0
3.0 to 4.5