The function of 15CrMo alloy elbow is to connect two pipes with the same nominal diameter at the bend of the pipe, so that the pipe can be made into 90 ° or its alloy elbow is used in pipes with fast liquid flow and strong impact force. Alloy elbows made of nickel steel are usually used in normal temperature transmission pipelines with high concentration of oxidizing acid, etc., but they will be seriously corroded in the transmission pipelines of reducing acid, and the concentration of reducing acid is low, with high high temperature strength and strong oxidation and corrosion resistance. Alloy elbow has a wide range of applications, and has reached the national standard and quality assurance after national inspection. Received unanimous praise from our customers. Alloy elbow is to connect two pipes with the same diameter, so that the two ends of the pipe have the same diameter without blocking it. It has various materials. It is widely used. Common bronze alloy elbows are common in tap water. Aluminum alloy elbow made of manganese steel is usually used in concrete transmission pipeline because manganese steel has strong impact performance, compression resistance, wear resistance and other excellent properties. Mud transmission pipeline is more wear-resistant and impact resistant, so it is more convenient to use
The basic technological process of high-pressure alloy elbow is: first, weld a polygonal ring shell or a polygonal sector shell with blocked ends. After the interior is filled with pressure medium, apply internal pressure. Under the action of internal pressure, the cross section gradually changes from polygon to circle, and finally becomes a circular ring shell. According to the requirements, a circular ring shell can be cut into four 90 degree elbows or six 60 degree elbows or elbows of other specifications. This process is suitable for manufacturing large elbows of any specification whose pitch diameter to inner diameter ratio of elbow is greater than 1.5. It is an ideal method for manufacturing large carbon steel elbows at present.
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