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SAE-AISI F2 Steel vs. S30415 Stainless Steel

Both SAE-AISI F2 steel and S30415 stainless steel are iron alloys. They have 71% 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 S30415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 710 to 2360
670

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1520
1410
Melting Onset (Solidus), °C 1470
1370
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 42
21
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
15
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.3
3.1
Embodied Energy, MJ/kg 32
43
Embodied Water, L/kg 50
140

Common Calculations

PREN (Pitting Resistance) 6.5
21
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 81
24
Strength to Weight: Bending, points 22 to 49
22
Thermal Diffusivity, mm2/s 11
5.6
Thermal Shock Resistance, points 21 to 71
15

Alloy Composition

Carbon (C), % 1.2 to 1.4
0.040 to 0.060
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 0.2 to 0.4
18 to 19
Iron (Fe), % 92.6 to 95.4
67.8 to 71.8
Manganese (Mn), % 0.1 to 0.5
0 to 0.8
Nickel (Ni), % 0
9.0 to 10
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.1 to 0.5
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 3.0 to 4.5
0