Smooth Inner Wall 304 Stainless Steel Seamless Tube ASTM A213 for Heat Exchanger in Boiler System with Pickled

Smooth Inner Wall 304 Stainless Steel Seamless Tube ASTM A213 for Heat Exchanger in Boiler System with Pickled. Wide Grade Range: Available in 202, 304, 316, 310S, 321, 410, and 904L stainless steel grades. Customizable Dimensions: Outer diameter 5mm-1200mm, thickness 0.5mm-30mm, and custom lengths available. Versatile Surface Finishes: Options include 2B, 2D, BA, mirror, hair line, sandblast, and brush finishes. OEM and ODM Services: Full customization from samples, designs, and flexible minor customization options. Strict Quality Control: 100% visual and functional inspection for every batch of seamless pipes. Global Export Standards: Certified ISO 9001, CPR, SGS with full export documentation packages. Multi-Industry Application: Suitable for boiler systems, chemical processing, marine, food, and construction.