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SAE-AISI F2 Steel vs. ASTM A372 Grade B Steel

Both SAE-AISI F2 steel and ASTM A372 grade B steel are iron alloys. They have a moderately high 95% 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 SAE-AISI F2 steel and the bottom bar is ASTM A372 grade B steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 710 to 2360
600

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1520
1460
Melting Onset (Solidus), °C 1470
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 42
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.8
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.3
1.4
Embodied Energy, MJ/kg 32
18
Embodied Water, L/kg 50
46

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 81
21
Strength to Weight: Bending, points 22 to 49
20
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 21 to 71
19

Alloy Composition

Carbon (C), % 1.2 to 1.4
0 to 0.35
Chromium (Cr), % 0.2 to 0.4
0
Iron (Fe), % 92.6 to 95.4
97.9 to 99.85
Manganese (Mn), % 0.1 to 0.5
0 to 1.4
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0.1 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 3.0 to 4.5
0