... W.T.:1.8-100mm or more precision carbon steel pipe making machine1) Material: 10#, 20#, 45#, 16Mn, Q235, Q345, ... Q1952) Standards: ASTM A53, ASTM A106, API 5L, APL 5CT, ASTM A519, and ASTM A213/A213M3) Certification ... , anti-corrosion and long distance conveyance of gas/fluid8)Application: Petroleum,chemical,power,gas,water,metallurgy,shipbuilding,construction,etc.9) Packing ...