
304L Stainless Steel Seamless Pipe for Boiler Heat Exchanger. Wide Grade Range: Available in 202, 304/304L, 316/316L, 310/310S, 321, 410, and 904L stainless steel grades. Custom Sizes: Outer diameter from 5mm to 1200mm and wall thickness from 0.5mm to 30mm with customized lengths. OEM and ODM Services: Full customization options including size, design, and minor modifications available. Extensive Surface Finishes: Options include 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, hair line, sandblast, and brush. Global Export Standards: Complies with ASTM A312, A790, A213, A269, and EN standards for international markets. Comprehensive Certificates: Includes full material test certificates, ISO 9001, CPR, and SGS certifications. Versatile Applications: Suitable for boiler heat exchangers, chemical engineering, marine, food equipment, and high-temperature industries.