Heavier steel products ,such as plates, I beams, angel iron,pipe ,and bar ,form the structural frames of buildings,bridges,ships ,automobiles ,roadways ,and many other structures.

• 还有重金属类产品，比如金属板，工字钢，角铁，管道和金属棒，建筑结构框架，桥梁，船只，汽车，铁道以及其他各种结构。