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SAE-AISI 1547 Steel vs. SAE-AISI S5 Steel

Both SAE-AISI 1547 steel and SAE-AISI S5 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 23 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 1547 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 73
72
Tensile Strength: Ultimate (UTS), MPa 740 to 800
680 to 1940

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
42
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
3.1
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.1
Embodied Energy, MJ/kg 19
29
Embodied Water, L/kg 47
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 28
25 to 70
Strength to Weight: Bending, points 23 to 24
22 to 45
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 23 to 25
23 to 65

Alloy Composition

Carbon (C), % 0.43 to 0.51
0.5 to 0.65
Chromium (Cr), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 97.8 to 98.2
93.6 to 97
Manganese (Mn), % 1.4 to 1.7
0.6 to 1.0
Molybdenum (Mo), % 0
0.2 to 1.4
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
1.8 to 2.3
Sulfur (S), % 0 to 0.050
0 to 0.030
Vanadium (V), % 0
0 to 0.35