3/8 Round Rod 4130 N

Round Rod 4130 N, Solid Round Bar 4130 N (normalized) steel rod (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.    MIL-S-6345A