CANGZHOU WILSON PIPELINE CO.,LTD

The atmosphere that causes decarburization on the surface of Q345B seamless steel tubes is mainly oxidizing gases such as oxygen, water...

ERW pipe process performance inspection: 1. Bending test: Bending test should be carried out on steel tubes with an outer diameter less...

Usually manufacturers produce the following quality requirements for seamless steel tubes. 1. Chemical composition. Requirements for the...

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

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

The oil casing is short-circuited. The reason for this phenomenon is internal mechanical failure, such as roller or shaft eccentricity,...

ERW high-frequency welded pipe is a hot-rolled coil that is formed by a forming machine. The skin effect and proximity effect of...

In addition to being used for oil extraction, the emergence of oil casing pipe can also be used as a pipeline for transporting raw...

Seamless steel pipe is the steel pipe with the largest consumption and the highest demand. The production volume and the manufacturer are...

The biggest difference between straight seam high frequency electric resistance welded pipe (ERW Steel Pipe) and seamless steel tube is...

1. The main feature of seamless steel pipe is that it has no welds and can withstand greater pressure. The product can be a rough cast or...

The scope of ASTM A106 and A53: ASTM A53 specification covers the steel pipe manufacturing types in seamless and welded, material in...

High-frequency welding originated in the 1950s. It is a new type of welding process that uses the skin effect and proximity effect...

Electric resistance welded pipes (ERW steel pipe) are longitudinally welded from metal after moving it afterward. CDW pipes are produced...

After the tubing, casing pipe and line pipe are produced, the surface is usually sprayed with anti-corrosion paint (Varnish, coating),...

The details of ERW pipe evaluation process:  1. Non-destructive testing Rotate the detection arm of the inspection station into the...

The production of seamless steel pipes has a history of nearly 100 years. The use of steel pipes was started by a Scottish inventor...

ERW welded pipe is made by using the skin effect and proximity effect of high-frequency current to quickly heat the edge of the pipe...

Seamless steel pipe is an important type of steel pipe in production and life. It is an important steel that is relatively strong and...