The Welding Cross Shaped Steel Structure or Column is composed of H beam and T beam through high-frequency welding, as a load-bearing column or beam, the erection process is mainly divided into three steps, namely, the manufacture of H shaped beam, the manufacture of T shaped beam and the erection of cruciform column or beam. Welding Cross Shaped Steel Structure is widely used in building Steel Warehouse, Office Building and Large Span Spatial Steel Construction. Its structural stability and bending resistance are outstanding.