Oil and gas

Square tube is formed from coil and then ran through a series of dies. It’s welded from the inside to form its shape. Square tubes are generally used for maintenance and structural purposes.

ASTM A252 is a standard specification developed by ASTM International for welded and seamless steel piling pipes. These pipes are mainly used for deep foundations to support buildings, bridges and other structures.

ASTM A53 (ASME SA53) carbon steel pipe is a specification that covers seamless and welded black and hot-dipped galvanized steel pipe in NPS 1/8″ to NPS 26. A53 is intended for pressure and mechanical applications and is also acceptable for ordinary uses in steam, water, gas, and air lines.

Q125 petroleum casing is a seamless steel casing used to transport liquids and gases. It is composed of multiple steel connectors and can withstand harsh environmental conditions such as high pressure, high temperature and corrosion. Therefore, it is widely used in petroleum, natural gas, chemical industry and other industries.