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SAE-AISI L3 Steel vs. S31277 Stainless Steel

Both SAE-AISI L3 steel and S31277 stainless steel are iron alloys. They have 43% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI L3 steel and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
80
Tensile Strength: Ultimate (UTS), MPa 600 to 2250
860

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
36
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.9
6.7
Embodied Energy, MJ/kg 27
90
Embodied Water, L/kg 53
220

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 80
29
Strength to Weight: Bending, points 20 to 49
25
Thermal Shock Resistance, points 18 to 67
19

Alloy Composition

Carbon (C), % 1.0 to 1.1
0 to 0.020
Chromium (Cr), % 1.3 to 1.7
20.5 to 23
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 95.5 to 97.3
35.5 to 46.2
Manganese (Mn), % 0.25 to 0.8
0 to 3.0
Molybdenum (Mo), % 0
6.5 to 8.0
Nickel (Ni), % 0
26 to 28
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.1 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0.1 to 0.3
0