1. Billet preparation: The raw material, usually a solid round billet, is inspected for any defects and surface imperfections, and then heated to the required temperature for forming.2. Piercing and rolling: The heated billet is pierced to create a hollow shell, and then it is rolled to the desired

1. The welding process used for submerged arc steel pipes is submerged arc welding technology, using filler welding and particle protective flux submerged arc.2. The production technology of submerged arc steel pipes includes JCOE forming technology and roll forming submerged arc welding technology.

The need for oil country tubular goods, or OCTG, continues to be in high demand as exploration and the use of fossil fuels grow on a global level. As long as we depend on oil, we will depend on the supply of OCTG. Although the world seeks more renewable sources of energy, the market for oil and gas

The main differences between hot rolled and cold rolled seamless steel tubes include:1. Manufacturing Process:- Hot rolled seamless steel tubes are produced by heating a solid billet or slab and then rolling it at high temperatures to form the final shape.- Cold rolled seamless steel tubes are forme