Stainless steel high pressure seamless elbow wholesale price | seamless elbow | mounds integrity of business

 Xinlong Pipe Co., Ltd. Cangzhou supply all kinds of seamless elbow, 20g seamless elbow seamless elbow, cheap, welcomed the inquiry. Forming methods: a forging method: using a swaging machine or a part of the tube ends to be rushed stretch, reducing the outer diameter, commonly have a rotary swaging machine, link type, roller. 2. rolling method: generally do mandrel, suitable for thick-walled tubes inside of the circle edge. Placed in the tube core, peripheral with the scroll wheel is pushed round the edge for processing. 3. stamping method: punch with a core tapered end of the tube to expand to the size and shape required. Cangzhou Longxin Industry Co., Ltd supply all kinds of seamless steel tubes, seamless elbow ship standard, if necessary 20 #, 45 # seamless elbow production and processing, welcomed the inquiry. Cangzhou Longxin seamless elbow pipe industry to do something Detailed: inspection of seamless elbow must have to start from the preparation large and small diameter seamless elbow different purposes, until the completion of commissioning, throughout the entire installation process from beginning . Seamless elbow each process must go through a self-test and seizure, qualified before they can proceed. Focus seamless elbow test material quality, material quality section of the pipeline, welding quality, assembly, installation horizontality and verticality, pipeline protection, non-destructive testing, pressure testing. Pipeline section incision requires smooth, no glitches, face and perpendicular to the centerline of the tube; welding weld surface quality requirements should be the same width, solder wave uniformity in appearance, weld width is less than l nosebleed, internal and external reinforcement for 0-0.2mm, local depression is less than 0.2mm, no undercut, cracks, lack of penetration, such as the lack of implicit bias welding; pipeline horizontal and vertical degrees according to GB50235-97 requirements, without error; the pipe surface should be free of iron corrosion high pressure seamless elbow Material high, no scratches, nicks, no mud, dirt, pollution and so on. Non-destructive testing, hydrostatic testing, water washing and other methods according to the conventional process. Buy seamless elbow, choose Cangzhou Loncin, a lost decade. Stainless steel high pressure seamless elbow wholesale price | seamless elbow | mounds integrity of business provided by Cangzhou Longxin Industry Co., Ltd. Cangzhou Longxin Industry Co., Ltd (www.longxingy.com) strong, credible, Hebei Cangzhou elbow industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Loncin Industry and you work into the brilliant, for a better future!