Dear Roshan,

According to linked below Powder Guide Reference Chart.pdf ,  LA F383 is a metal powder, with:

MESH SIZE: ‐140 + 325, and NOMINAL CHEMISTRY: 87% FE / 13% CR (corresponding to steel 410SS), offered by Genie Products, Inc.

Regards

http://www.genieproducts.com/Diagrams/PowderGuide.pdf

http://www.genieproducts.com/products-services/powders-wires-masking

Thank you, Sir. Got a similar ration on EDX analysis, but they were a significant amount of Aluminium. Is it an impurity during the powder processing?

How did you measure EDX on a powder? Is there any interference with the sample holder possible?

Yes, Sir, definitely there is an interference of the tape on which one spread the powders. In the EDX data, the carbon content was very high, because of the background Carbon tape.