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SAE-AISI L3 Steel vs. AWS BAg-1a

SAE-AISI L3 steel belongs to the iron alloys classification, while AWS BAg-1a belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI L3 steel and the bottom bar is AWS BAg-1a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
77
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
29
Tensile Strength: Ultimate (UTS), MPa 600 to 2250
180

Thermal Properties

Latent Heat of Fusion, J/g 250
120
Melting Completion (Liquidus), °C 1450
640
Melting Onset (Solidus), °C 1410
630
Specific Heat Capacity, J/kg-K 470
280
Thermal Expansion, µm/m-K 13
22

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.3
Embodied Carbon, kg CO2/kg material 1.9
48
Embodied Energy, MJ/kg 27
760

Common Calculations

Stiffness to Weight: Axial, points 13
4.6
Stiffness to Weight: Bending, points 24
15
Strength to Weight: Axial, points 21 to 80
5.4
Strength to Weight: Bending, points 20 to 49
7.6
Thermal Shock Resistance, points 18 to 67
7.5

Alloy Composition

Cadmium (Cd), % 0
17 to 19
Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 1.3 to 1.7
0
Copper (Cu), % 0
14.5 to 16.5
Iron (Fe), % 95.5 to 97.3
0
Manganese (Mn), % 0.25 to 0.8
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.1 to 0.5
0
Silver (Ag), % 0
49 to 51
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0.1 to 0.3
0
Zinc (Zn), % 0
14.5 to 18.5
Residuals, % 0
0 to 0.15