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SAE-AISI F2 Steel vs. ASTM Grade HT Steel

Both SAE-AISI F2 steel and ASTM grade HT steel are iron alloys. They have 46% 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 SAE-AISI F2 steel and the bottom bar is ASTM grade HT steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 710 to 2360
500

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Melting Completion (Liquidus), °C 1520
1390
Melting Onset (Solidus), °C 1470
1340
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 42
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
31
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 2.3
5.4
Embodied Energy, MJ/kg 32
76
Embodied Water, L/kg 50
190

Common Calculations

PREN (Pitting Resistance) 6.5
18
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 81
18
Strength to Weight: Bending, points 22 to 49
18
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 21 to 71
12

Alloy Composition

Carbon (C), % 1.2 to 1.4
0.35 to 0.75
Chromium (Cr), % 0.2 to 0.4
15 to 19
Iron (Fe), % 92.6 to 95.4
38.2 to 51.7
Manganese (Mn), % 0.1 to 0.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
33 to 37
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.1 to 0.5
0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 3.0 to 4.5
0