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What is Martensitic Steel P9 Repair Guidelines about?

This document discusses 9% chromium martensitic steel for high temperature service applications. Some key points: 1. 9% chromium martensitic steel was developed for higher creep strength in ferritic steels and introduced in 1989 to increase thermal efficiency. 2. The steel has a chemical composition of 0.08-0.12% carbon, 8-9% chromium, and other alloying elements. It has minimum mechanical properties of 415 MPa yield strength and 585 MPa ultimate tensile strength. 3. Welding and heat treatment procedu

Author

hussein

Language

EN