Section steel A. Equal angle and unequal angle, specification: 25x25x3 30x30x3.4 40x40x4 50x50x5 63x63x6 100x63x10 125x80x12 200x125x18 B. I-beam :12-560mm C. Channel steel:8-450mm D. Various h-beam E. Steel billet :120, 150, 200, 300, 400 F. Light rail, heavy rail, floating rail
