Posts by wilsonpipeline

Comparison of pipe materials used in urban gas pipeline network: At present, the urban gas pipeline network mainly uses ERW pipes, cast iron pipes and polyethylene (PE) pipes. From the perspective of ...

How to accept the ERW pipe? 1. Product quality certification document requirements 1) Welded steel pipes should have factory quality certification documents Including: product certificate, material ce...

In the process of rapid heat treatment of steel induction heating, horizontally inclined roller rotation mechanism. The inclination of the device of the roller is wide and the inclination of the devic...

The atmosphere that causes decarburization on the surface of Q345B seamless steel tubes is mainly oxidizing gases such as oxygen, water vapor and carbon dioxide. When these oxidizing gases come into c...

ERW pipe process performance inspection: 1. Bending test: Bending test should be carried out on steel tubes with an outer diameter less than or equal to 50mm. The bending angle is 90°, the bending rad...

Usually manufacturers produce the following quality requirements for seamless steel tubes. 1. Chemical composition. Requirements for the contents of harmful chemical elements As, Sn, Sb, Bi, Pb and ga...

International standard for petroleum casing and tubing: API Spec 5CT Common steel grades for casing: J55 K55 N80 L80 C90 T95 P110 Q125 V150 Common steel grades for tubing: J55 N80 L80 C90 P110 In add...

Non-destructive testing is a method of non-destructive testing of seamless steel tube materials, workpieces or parts. So what is the method of non-destructive testing of seamless steel tubes? 1...

The oil casing is short-circuited. The reason for this phenomenon is internal mechanical failure, such as roller or shaft eccentricity, or excessive welding power, or other reasons. As the welding spe...

ERW high-frequency welded pipe is a hot-rolled coil that is formed by a forming machine. The skin effect and proximity effect of high-frequency current are used to heat and melt the edge of the tube b...