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SAE-AISI F2 Steel vs. EN 1.4945 Stainless Steel

Both SAE-AISI F2 steel and EN 1.4945 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI F2 steel and the bottom bar is EN 1.4945 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
640 to 740

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1520
1490
Melting Onset (Solidus), °C 1470
1440
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 42
14
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 10
30
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 2.3
5.0
Embodied Energy, MJ/kg 32
73
Embodied Water, L/kg 50
150

Common Calculations

PREN (Pitting Resistance) 6.5
23
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 81
22 to 25
Strength to Weight: Bending, points 22 to 49
20 to 22
Thermal Diffusivity, mm2/s 11
3.7
Thermal Shock Resistance, points 21 to 71
14 to 16

Alloy Composition

Carbon (C), % 1.2 to 1.4
0.040 to 0.1
Chromium (Cr), % 0.2 to 0.4
15.5 to 17.5
Iron (Fe), % 92.6 to 95.4
57.9 to 65.7
Manganese (Mn), % 0.1 to 0.5
0 to 1.5
Nickel (Ni), % 0
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0
0.060 to 0.14
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.1 to 0.5
0.3 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 3.0 to 4.5
2.5 to 3.5