Tianjin Xinyue Steel Group is a professional manufacturer of large diameter steel pipe with over 30 years experience.

Both welded steel pipe and seamless steel pipe can be used to form large diameter steel pipe.

For welded large diameter steel pipe, most commen seen is spiral sub-merged are welded steel pipe. For SSAW, outer diameter can reach 3048mm. Welded large diameter steel pipe is widely used for low pressure liquid transportation.

For seamless large diameter steel pipe, it can widely used for high temperature and high pressure working condition.

Large diameter steel pipe can be widely used for liquid transportation, piling pipe, oil and gas pipeline, drilling, pertoleum transmission, water supply pipeline, sewage discharge, steel structure, foundation piling, etc.