18x72 .090 Steel Sheet 4130

Steel Sheet 4130 Normalized Chromoly, cold rolled

 

 4130 N (normalized) steel sheet (chromoly) is one of the most widely used in aviation and racing industries because of its weldability and ease of fabrication.  4130 steel is ideal when a strong light weight steel is needed.  The weldability of 4130 steel sheet is excellent.  4130 is resistant to scaling and oxidation and has a clean, smooth finish.    The difference between hot and cold rolled 4130 sheet is cosmetic, the strength is the same.   MIL-S-6345A