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· The characteristics of the Pipe fitting stainless steel reducer
· The forming of seamless steel pipe
· Analysis of main causes causing the decline of bend quality
· Manufacturing process of pipe tee
· Brief introduction of forged fitting
· The Stainless Steel Welding Ellipsoidal Head Pipe Cap heat treatment method
· Processing method of Seamless Steel Pipe Elbow


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The manufacturing process of pipe tee
Source :admin   Time:1/2/2018 9:21:04 PM   hit:

  At present is mainly formed by manual cutting or plasma cutting, the machining accuracy is not high, the groove angle is small, the improper selection of welding parameters, resulting in lack of penetration. Another major reason for welding three quality defects is the process of material, the wrong branch outside export processing groove, welding pipe tee directly in charge on the lap. The strength of 2 Inch Stainless Steel Pipe Tee is reduced if the weld is not penetrated. For the pipe tee conveying corrosive medium, the heat affected zone of the weld will be thinned with the increase of the production cycle, resulting in the leakage of the weld. The cause of gas hole and slag inclusion is that the oil, rust, water and other impurities in the groove before and in the vicinity of the welding are not cleaned, and the skin of the traditional Chinese medicine is not cleaned in the welding process. In addition, the welding speed is too fast and the welding current is too small, which speeds up the cooling rate of the weld.

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