Alloy steel Butt welding Cross 3″ SCH40 A403 WP304L Used at main pipe branch

Because of the large tonnage of the hydraulic expansion process of seamless four-way, it is mainly used in the manufacture of standard wall thickness four-way less than DN400. The suitable forming materials are low carbon steel, low alloy steel, stainless steel, including some non-ferrous metal materials, such as copper, aluminum, titanium and so on. b. hot-pressing forming four-way hot-pressing forming is to flatten the tube billet larger than four-way diameter to the size of four-way diameter and open a hole in the drawing branch pipe. Under the action of pressure, the tube billet is compressed radially. In the process of radial compression, the metal flows to the branch pipe and forms the branch pipe under the drawing of the punching die. The whole process is formed by the radial compression of the tube billet and the tensile process of the branch pipe. Different from hydraulic expansion, the metal of hot pressing four-way branch pipe is compensated by radial motion of pipe billet, so it is also called radial compensation process. Because the four-way is pressed after heating, the tonnage of the equipment needed for material forming is reduced. The hot-pressed four-way has a wide adaptability to the material, which is suitable for low carbon steel, alloy steel, stainless steel, especially the four-way with large diameter and thick pipe wall, which is usually used in this forming process.
Standards
According to the manufacturing standard can be divided into national standard, electrical standard, water standard, American standard, German standard, Japanese standard, Russian standard, such as GB/T12459,GB/T13401, standard
ASME B16.9,SH3408,SH3409,HG/T21635,DL/T 695,SY/T 0510,DIN 2615

The cross is a kind of pipe fitting used at the branch of the pipe.

The materials include alloy steel cross, carbon steel cross and stainless steel cross.

The cross can be divided into equal diameter and reducing diameter. The nozzle ends of equal diameter four-way pipes are the same size; the main nozzle sizes of reducing four-way pipes are the same, and the nozzle sizes of branch pipes are smaller than that of main pipes.