... . Material: Q195, Q215, Q235, Q345, STK5004. Standard: GB/T3091-2001, BS1378-1985, ASTM A53, EN5. Usage: used for low pressure ... GB/T12770-2002, BS1387-1985, ASTM A-53, GB/T3091-2001 other standard pipe, complete product specifications.Exports to Europe, North ... 513-88857885, 0086-513-88867885Mobile: 0086-15996613085Nantong Sanzhong Pipeline Co., Ltd. is located in Hai'an County, Jiangsu Province. The ...