ディテール
配送方法:快递
製品ディテール
Carbon steel Channel beam（U-STEEL） is a long stripe of steel with a fluted section, construction and mechanical use of carbon structural steel, is a profile steel with complex section, its section shape is groove shape. U-steel is mainly used in building structures, curtain wall engineering, mechanical equipment, and vehicle manufacturing., u-steel is often used together with I-steel.