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SAE-AISI S1 Steel vs. SAE-AISI 1345 Steel

Both SAE-AISI S1 steel and SAE-AISI 1345 steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 23 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 S1 steel and the bottom bar is SAE-AISI 1345 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 690 to 1840
590 to 730

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1500
1450
Melting Onset (Solidus), °C 1450
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
51
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
1.9
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 37
19
Embodied Water, L/kg 56
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 64
21 to 26
Strength to Weight: Bending, points 22 to 42
20 to 23
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 21 to 56
19 to 23

Alloy Composition

Carbon (C), % 0.4 to 0.55
0.43 to 0.48
Chromium (Cr), % 1.0 to 1.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 91.6 to 96.7
97.2 to 97.8
Manganese (Mn), % 0.1 to 0.4
1.6 to 1.9
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.15 to 1.2
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 1.5 to 3.0
0
Vanadium (V), % 0.15 to 0.3
0

Comparable Variants