Engineering excellence and mastery of steel plate fabrication have made CB&I a preferred supplier of basic oxygen vessels for converting pig iron into steel. Our oxygen vessels are built to provide years of reliable service and high productivity.

We are a true EPC company, providing a lump-sum, turnkey solution for basic oxygen vessel projects. Whenever possible, we utilize our global in-house resources to provide the best in detail engineering, procurement, fabrication and construction services. We believe our integrated approach translates into better quality, shorter schedules and often lower costs for our steelmaking customers.

Ensuring a perfect fit. Every basic oxygen vessel is meticulously designed by our pressure vessel engineers to ensure a precise fit with the trunnion rings and refractory lining. Our engineers and technicians have an in-depth understanding of industry codes and requirements and they follow precise procedures. Skilled craftspeople in our fully equipped shops perform expert steel plate fabrication and trunnion ring shrink fitting. Our shop personnel use proven tools and techniques for welding and heat treating to achieve our high standards for quality and safety. The expertise and painstaking efforts of our people ensure our customers receive dependable, high quality vessels.

Delivering consistent quality. We have successfully installed basic oxygen vessels at steel making plants around the world. That's because we can mobilize our global engineering, fabrication and construction resources to meet customers' needs virtually anywhere. Whenever possible, we direct hire local craftspeople and train them in our tools, processes and technical standards. And our companywide technical specifications ensure every vessel is designed, built and installed according to the same high standards.