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S32750 Stainless Steel vs. SAE-AISI L6 Steel

Both S32750 stainless steel and SAE-AISI L6 steel are iron alloys. They have 66% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is S32750 stainless steel and the bottom bar is SAE-AISI L6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
72
Tensile Strength: Ultimate (UTS), MPa 860
670 to 2090

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
42
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 21
3.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.1
2.0
Embodied Energy, MJ/kg 56
28
Embodied Water, L/kg 180
54

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31
24 to 74
Strength to Weight: Bending, points 26
22 to 46
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 25
22 to 70

Alloy Composition

Carbon (C), % 0 to 0.030
0.65 to 0.75
Chromium (Cr), % 24 to 26
0.6 to 1.2
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 58.1 to 66.8
93.6 to 97.3
Manganese (Mn), % 0 to 1.2
0.25 to 0.8
Molybdenum (Mo), % 3.0 to 5.0
0 to 0.5
Nickel (Ni), % 6.0 to 8.0
1.3 to 2.0
Nitrogen (N), % 0.24 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.030
Vanadium (V), % 0
0 to 0.3