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SAE-AISI L3 Steel vs. S44700 Stainless Steel

Both SAE-AISI L3 steel and S44700 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI L3 steel and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
82
Tensile Strength: Ultimate (UTS), MPa 600 to 2250
600

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
3.6
Embodied Energy, MJ/kg 27
49
Embodied Water, L/kg 53
180

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 80
21
Strength to Weight: Bending, points 20 to 49
20
Thermal Shock Resistance, points 18 to 67
19

Alloy Composition

Carbon (C), % 1.0 to 1.1
0 to 0.010
Chromium (Cr), % 1.3 to 1.7
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 95.5 to 97.3
64.9 to 68.5
Manganese (Mn), % 0.25 to 0.8
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 0
0 to 0.15
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.1 to 0.5
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.020
Vanadium (V), % 0.1 to 0.3
0