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SAE-AISI F2 Steel vs. S41045 Stainless Steel

Both SAE-AISI F2 steel and S41045 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 24 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 F2 steel and the bottom bar is S41045 stainless 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
430

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1520
1450
Melting Onset (Solidus), °C 1470
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 42
29
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
8.5
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.3
2.2
Embodied Energy, MJ/kg 32
31
Embodied Water, L/kg 50
100

Common Calculations

PREN (Pitting Resistance) 6.5
13
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 81
16
Strength to Weight: Bending, points 22 to 49
16
Thermal Diffusivity, mm2/s 11
7.8
Thermal Shock Resistance, points 21 to 71
16

Alloy Composition

Carbon (C), % 1.2 to 1.4
0 to 0.030
Chromium (Cr), % 0.2 to 0.4
12 to 13
Iron (Fe), % 92.6 to 95.4
83.8 to 88
Manganese (Mn), % 0.1 to 0.5
0 to 1.0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.6
Nitrogen (N), % 0
0 to 0.030
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), % 3.0 to 4.5
0