Black I-beam

H-shaped steel is widely used, mainly for various civil and industrial building structures; Various large-span industrial factories and modern high-rise buildings, especially in areas with frequent seismic activity and under high-temperature working conditions; Large bridges with high load-bearing capacity, good cross-sectional stability, and large spans are required; Heavy equipment; Expressway; Ship skeleton; Mine support; Foundation treatment and embankment engineering; Various machine components.