gb t 8162 1999 hot rolled
GB/T 8162-2018. Auto-delivery. ... DIN 17175, ASTM A106-2006, ASTM A53-2007, GB 5310-1995, GB/T 8162-1999 ...A20352 GB User rating 5/5Seamless Round Welded CCO Steel Pipe - Manufacturers …ASTM A213-2001, ASTM A234-2007, ASTM A213M-2001, GB/T 8163-1999, GB/T 8162-1999, GB/T 3091-2001 Technology. H ...