Product Description Quality Stainless Steel Pipe A) OD:10 - 1200mm ... TP321, TP347, 2205 (S31803), 904lL 6) Internal technical standards implemented: GB/T 14976-2002, GB 13296-199, GB5310 ... -1991, GB9948-1988 , GB5310-19957) Foreign standards implemented (partial): JIS 3463, JIS 3459, DIN 2462, ... , DIN17456, BSEN 10216-5-2004 8) ASTM (ASME) standards: A) A213, A213M B) A790, A790M C) A312 ...