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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 knowledge of steel pipe
Source :admin   Time:12/27/2017 1:05:34 AM   hit:

  As a set of equipment for Forged fitting bend, divided into cold and hot simmer two process. No matter which kind of machine equipment and pipes, most of them are used in pipe bend, mainly used for oil transportation, gas transmission, infusion, construction of engineering bridge and so on.

  In pure bending, the outer wall of the outer arm of Carbon Steel 90deg Forged fitting Bend is thinned by tensile stress &1 under the effect of external force, and the inner pressure is pressed inside. The resultant thickening, the resultant force of N1 and N2 makes the cross section of the tube change. On the basis of these factors, the main reason for the decline in the quality of pipe caused by RX and SX in GBJ235 82, and so on various pressure levels under the condition of RX value and lateral thinning loss made clear, the purpose is to control the RX and SX values, so as to ensure the quality of.

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