steel pipes

Wanzhi factory spot steel pipe - straight seam steel pipe - cheap price

The difference between seamless steel pipe and seamed steel pipe

Seamed steel pipe and Seamless steel pipe are two major categories of steel pipes. Steel pipes have promoted the vigorous development of industries such as industry and construction in our society. Steel pipes are divided into many categories, and seamless steel pipes and seamed steel pipes are one of them.What are the differences between them and what are their characteristics? What are seamless steel pipes and seamed steel pipes? Seamed steel pipe Seamed steel pipes are also called welded steel pipes. They are steel pipes with seams on the surface that are made by bending steel strips or steel plates into round, square and other shapes and then welding them. […]

The difference between seamless steel pipe and seamed steel pipe 続きを読む »

How are steel pipes classified in use?

There are many ways to steel pipes classified. In addition to the common classification based on the production method, material, coating characteristics, cross-sectional shape and other characteristics of the steel pipe itself, they can also be classified according to connection methods and purposes when in use. Connection Type Classification Steel pipes can be divided into: plain pipes (without threads at the pipe ends) and threaded pipes (with threads at the pipe ends) according to the pipe end connection method. Threaded pipes can be divided into: ordinary threaded pipes and thickened threaded pipes at the pipe ends. Thickened threaded pipes can also be divided into: external thickening (with external threads), internal

How are steel pipes classified in use? 続きを読む »

ja日本語