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SAE-AISI 1108 Steel vs. SAE-AISI F1 Steel

Both SAE-AISI 1108 steel and SAE-AISI F1 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1108 steel and the bottom bar is SAE-AISI F1 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
72
Tensile Strength: Ultimate (UTS), MPa 380 to 440
620 to 2320

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
45
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
5.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.7
Embodied Energy, MJ/kg 18
24
Embodied Water, L/kg 46
46

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 13 to 16
22 to 82
Strength to Weight: Bending, points 15 to 16
20 to 49
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 12 to 14
19 to 70

Alloy Composition

Carbon (C), % 0.080 to 0.13
1.0 to 1.3
Iron (Fe), % 98.9 to 99.24
95.9 to 98
Manganese (Mn), % 0.6 to 0.8
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
0.1 to 0.5
Sulfur (S), % 0.080 to 0.13
0 to 0.030
Tungsten (W), % 0
1.0 to 1.8