无缝异型钢管在国外建筑业中用途非常广泛，被用作城市轨道交通、地铁、立体车库、屋架、檩条、桁架、刚架、墙架、龙骨、屋面板、墙板、楼板、门窗乃至容器、管道、围堰、钢板桩、防波堤等。
Steel enterprises with seamless special-shaped steel pipe as the main part. Seamless special-shaped steel pipe is widely used in foreign construction industry. It is used as urban rail transit, subway, three-dimensional garage, roof frame, purlin, truss, rigid frame, wall frame, keel, roof panel, wall board, floor, doors and windows, container, pipeline, cofferdam, steel sheet pile, breakwater, etc.
