The pressure vessel fabrication process includes plate cutting, rolling, welding, dish end forming, nozzle fitting, hydro testing, and inspection. Engineers use pressure vessels in oil and gas plants, chemical industries, power stations, and industrial manufacturing systems. Moreover, fabrication companies follow strict engineering standards to ensure safety, durability, and performance. In this complete guide, you will learn how manufacturers build pressure vessels step-by-step using modern fabrication methods and quality inspection procedures.