無縫異型鋼管在國外建筑業(yè)中用途非常廣泛，被用作城市軌道交通、地鐵、立體車庫、屋架、檁條、桁架、剛架、墻架、龍骨、屋面板、墻板、樓板、門窗乃至容器、管道、圍堰、鋼板樁、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.