... .: 20-508mm W.T.:1.8-100mm or more precision astm a 106 grade b carbon steel pipe1) Material: 10#, ... 45#, 16Mn, Q235, Q345, Q1952) Standards: ASTM A53, ASTM A106, API 5L, APL 5CT, ASTM A519, and ASTM A213/A213M3) Certification: ISO9001.2000, PED, Mill ... chemical,power,gas,water,metallurgy,shipbuilding,construction,etc.9) Packing: Standard export package or as per clients' requirements 10) Delivery time ...