The socket bend is mainly made of round steel or ingot moulding forging, and then a high-voltage elbow pipe connecting fitting is made by lathe machine. It is a kind of forging socket pipe fitting. Common standard for socket bend are standard GB/T14383-93, GB/T14383-2008, American standard ASME B16.11, standard SH3410 petrochemical, chemical standard HG/T21634, etc According to the pattern is divided into 90 ° and 45 ° elbow socket socket bend According to the regulations of the common standard, socket of the specifications of the elbow has DN6, DN8, DN10, DN15, 3/4 ", DN25, DN32, DN40, (, DN65, DN80, DN100. The commonly used order specification is DN15- DN50. If the scope of this specification is beyond the scope, we can communicate with the customer about the drawing design and processing.