Product Name：ASMEANSI Welding Neck Flange
Butt welding flange is a kind of pipe fitting. It refers to the flange with neck, which has a round pipe and is connected with the pipe by butt welding. Butt welding flanges are not deformed
In general, the butt welding flange with neck is the butt joint of flange and connecting pipe, while the flat welding flange with neck is the fillet joint of flange and cnnecting pipe, which is the biggest difference in structure between the butt welding flange with neck and the flat welding flange with neck.
The stiffness of the flange with neck butt welding is larger and stronger than that of the flange with neck flat welding, so it is not easy to produce leakage. They can not be replaced at will. The former is used in highly hazardous media, and the latter is used in petroleum units.
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What are the characteristics of forgings compared with castings
Metal can improve its structure and mechanical properties after forging. After the casting structure is deformed by the forging method, due to the deformation and recrystallization of the metal, the original coarse dendrites and columnar grains become the equiaxed recrystallized structure with finer grains and uniform size, which makes the original segregation, The compaction and welding of looseness, pores, slag inclusions, etc., make the structure more compact and improve the plastic and mechanical properties of the metal.
Generally speaking, the mechanical properties of castings are lower than those of forgings of the same material. In addition, the forging process can ensure the continuity of the metal fiber structure, keep the fiber structure of the forging consistent with the shape of the forging, and the metal streamline is complete, which can ensure that the parts have good mechanical properties and long service life. Precision die forging and cold extrusion are used. Forgings produced by processes such as, warm extrusion, etc., are unmatched by castings.
