zora li Articles

The difference between galvanized steel pipe and black steel pipe

Black steel pipe is uncoated steel, also known as black steel. The dark color comes from iron oxide that forms on its surface during the manufacturing process. Galvanized steel pipe...

What are the dimensions of seamless carbon steel pipes?

the size and specification standards of seamless carbon steel pipes are an important factor in ensuring their quality and performance. When selecting and using seamless carbon steel pipes, full consideration...

What is the purpose of steel pipe cold bending test?

The quality of steel pipes is assessed by inspecting the process performance of seamless or welded steel pipes. Master the test methods for steel pipe bending (cold bending) performance and...

What are the influencing factors of high-frequency welding of steel...

High-frequency welding is a new welding process that uses the skin effect and adjacent effect generated by high-frequency current to connect steel pipes and other metal materials.The emergence and maturity...

Basic introduction to pressure piping

Pressure piping refers to all piping subjected to internal or external pressure, regardless of the medium in the pipe. A pressure pipe is a part of a pipeline that is...

Comprehensive analysis of seamless pipes and welded pipes

Pipes play a vital role in various industries, serving as conduits for fluids, gases, and solids. Among the myriad of choices available, two predominant types stand out: seamless and welded...

Thermal expansion seamless pipe

The thermal expansion seamless pipe is a steel pipe produced by the thermal expansion process, which is a waste pipe finishing process of diameter expansion.The thermally expanded steel pipes usually...

What does the production process of LSAW Steel Pipe include?

LSAW steel pipe is a longitudinal parallel steel pipe. Usually divided into metric welded steel pipes, welded thin-walled pipes, transformer cooling oil pipes, etc.The production process of straight seam welded...

What are the characteristics of laser cutting of steel pipes?

The cutting or separation of steel pipes(welded steel tube or seamless pipe) is an important part of forming. Commonly used methods include mechanical cutting, punching and laser cutting. Laser cutting...

What are the consequences of not cleaning seamless pipes?

For seamless pipes that have been used for a long time, the sludge and rust in the pipes solidify, causing the original pipe diameter to become smaller.Hydrogen sulfide gas produced...