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Grade 304 stainless steel is essentially a standard 18/8 austenitic stainless steel, widely used in stainless steel (SS) applications and available in various surface finishes, shapes, and product forms. It offers excellent welding and forming characteristics. Grade 304L is the low-carbon version of 304, which eliminates the need for post-weld annealing, making it suitable for the fabrication of high-specification components. Grade 304H, with a higher carbon content, is widely utilized in high-temperature applications. The austenitic structure provides good toughness even at cryogenic temperatures. Therefore, 304/304L/304H stainless steel pipes have become an ideal choice for a wide range of applications.
SS 304 pipe is composed of chromium and nickel. SS 304L pipe contains less carbon than SS 304, which improves its corrosion resistance in certain environments. Moreover, the reduced carbon content enhances its weldability compared to other stainless steel alloys. Due to the higher carbon content, 304H stainless steel pipe offers greater tensile and yield strength than other grades, making it more suitable for applications with higher load-bearing requirements. These 304 stainless steel pipes are considered among the most versatile materials due to their wide applicability and excellent corrosion resistance.