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SAE-AISI A3 Steel vs. SAE-AISI F2 Steel

Both SAE-AISI A3 steel and SAE-AISI F2 steel are iron alloys. They have a moderately high 92% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI A3 steel and the bottom bar is SAE-AISI F2 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 700 to 2150
710 to 2360

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1450
1520
Melting Onset (Solidus), °C 1410
1470
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 37
42
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 6.0
10
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 4.4
2.3
Embodied Energy, MJ/kg 67
32
Embodied Water, L/kg 78
50

Common Calculations

PREN (Pitting Resistance) 8.9
6.5
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 77
24 to 81
Strength to Weight: Bending, points 23 to 48
22 to 49
Thermal Diffusivity, mm2/s 10
11
Thermal Shock Resistance, points 23 to 70
21 to 71

Alloy Composition

Carbon (C), % 1.2 to 1.3
1.2 to 1.4
Chromium (Cr), % 4.8 to 5.5
0.2 to 0.4
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 88.7 to 92
92.6 to 95.4
Manganese (Mn), % 0.4 to 0.6
0.1 to 0.5
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0.1 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
3.0 to 4.5
Vanadium (V), % 0.8 to 1.4
0

Comparable Variants