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SAE-AISI F1 Steel vs. SAE-AISI S5 Steel

Both SAE-AISI F1 steel and SAE-AISI S5 steel are iron alloys. They have a very high 96% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI F1 steel and the bottom bar is SAE-AISI S5 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 72
72
Tensile Strength: Ultimate (UTS), MPa 620 to 2320
680 to 1940

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
42
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
3.1
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.7
2.1
Embodied Energy, MJ/kg 24
29
Embodied Water, L/kg 46
51

Common Calculations

PREN (Pitting Resistance) 2.3
2.9
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 82
25 to 70
Strength to Weight: Bending, points 20 to 49
22 to 45
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 19 to 70
23 to 65

Alloy Composition

Carbon (C), % 1.0 to 1.3
0.5 to 0.65
Chromium (Cr), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 95.9 to 98
93.6 to 97
Manganese (Mn), % 0 to 0.5
0.6 to 1.0
Molybdenum (Mo), % 0
0.2 to 1.4
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.1 to 0.5
1.8 to 2.3
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.0 to 1.8
0
Vanadium (V), % 0
0 to 0.35

Comparable Variants