Detailed Product Description 1) Stainless steel flange and carbon steel flange2) Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI, BS, AS 3) Material: 316L, 316Ti, 304L, 321, 321H,Q235, Q345 4) OD: up to 2,500mm5) Standard: America, Germany, and China6) Production with anneal solution for stainless performance7) Special design available Outer packing:Seaworthy plywood case