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SAE-AISI A2 Steel vs. SAE-AISI F1 Steel

Both SAE-AISI A2 steel and SAE-AISI F1 steel are iron alloys. They have a moderately high 93% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI A2 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 74
72
Tensile Strength: Ultimate (UTS), MPa 710 to 2040
620 to 2320

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1450
1480
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 38
45
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 5.5
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.7
Embodied Energy, MJ/kg 38
24
Embodied Water, L/kg 73
46

Common Calculations

PREN (Pitting Resistance) 8.9
2.3
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 73
22 to 82
Strength to Weight: Bending, points 23 to 46
20 to 49
Thermal Diffusivity, mm2/s 10
12
Thermal Shock Resistance, points 25 to 71
19 to 70

Alloy Composition

Carbon (C), % 1.0 to 1.1
1.0 to 1.3
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 89.4 to 93.3
95.9 to 98
Manganese (Mn), % 0 to 1.0
0 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
1.0 to 1.8
Vanadium (V), % 0.15 to 0.5
0

Comparable Variants