... , 2000mmLength2000mm-6000mmor as customer requestStandardASME, ASTM, EN, BS, GB, DIN, JIS, etcMaterial201, 202, 301, 321, 304, 304L, 316, 316L, 309S, 310S ... , biology, electron, chemical, petroleum, boiler, nuclear energy Medical equipment, fertilizer, etc.NoteWe can produce other standard as the customers' requirement 310s ...