The chemical composition and mechanical properties requirements on 09CuPCrNi-A steel details

High weather resistance structural steel Q295GNH, Q355GNH adds a small amount of alloying elements such as Cu, P, Cr, Ni, etc. to form a protective layer on the basic surface of the metal to improve the steel with atmospheric corrosion resistance. High weather resistance structural steel is mainly used in the structure of vehicles, containers, buildings, towers or other structural parts. Compared with welded structural steel 09CuPCrNi-A steel details, it has better atmospheric corrosion resistance.

Vanadium is a weak deoxidizer. Adding vanadium into 09CuPCrNi-A steel details steel can reduce the adverse effects of carbon and nitrogen, effectively improve the strength, but sometimes also increase the tendency of welding hardening, vanadium is also a commonly used trace alloy element.

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