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SAE-AISI F1 Steel vs. AISI 446 Stainless Steel

Both SAE-AISI F1 steel and AISI 446 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI F1 steel and the bottom bar is AISI 446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
79
Tensile Strength: Ultimate (UTS), MPa 620 to 2320
570

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1480
1510
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 45
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.7
2.4
Embodied Energy, MJ/kg 24
35
Embodied Water, L/kg 46
150

Common Calculations

PREN (Pitting Resistance) 2.3
27
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 22 to 82
21
Strength to Weight: Bending, points 20 to 49
20
Thermal Diffusivity, mm2/s 12
4.6
Thermal Shock Resistance, points 19 to 70
19

Alloy Composition

Carbon (C), % 1.0 to 1.3
0 to 0.2
Chromium (Cr), % 0
23 to 27
Iron (Fe), % 95.9 to 98
69.2 to 77
Manganese (Mn), % 0 to 0.5
0 to 1.5
Nickel (Ni), % 0
0 to 0.75
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.1 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.0 to 1.8
0