904L Stainless Steel Seamless Pipe/ Tubo sin soldadura de acero inoxidable 904L has the characteristics of strong corrosion resistance and high density. Application: 904L stainless steel seamless pipe is mainly used in petroleum and petrochemical equipment, sulfuric acid storage and transportation equipment, power plant flue gas desulfurization device, seawater treatment device, seawater heat exchanger, paper industry equipment, sulfuric acid and nitric acid equipment, acid, pharmaceutical industry and other chemical equipment, pressure vessel, food equipment, pharmaceutical plant, etc. Main Standard: ASTM A213, ASTM A312, ASTM A269 Main Grade: 904L; 1.4539 Outer Diameter: 14-89mm Wall Thickness: 1.5-6mm Length: Random Surface Treatment: pickling or as customers’ requirement How is it Measured? Outer Diameter (A) X Schedule or Wall Thickness (B) X Length PS: L in 904L means LOW. Advantages Of Seamless Tubes & Pipes A. Heavy and thick wall thickness B. No weld seam. Generally be considered as better properties and corrosion resistance C. Better ovality, or roundness