Thick-walled steel pipes, the steel pipe whose outer diameter to wall thickness ratio is less than 20 is called thick-walled steel pipe. Mainly used as petroleum geological drilling pipes, cracking pipes for the petrochemical industry, boiler pipes, bearing pipes, and high-precision structural pipes

Process characteristics of galvanized steel pipe1. Optimization of sulfate zinc platingThe advantages of sulfate galvanizing are that the current efficiency is as high as 100% and the deposition rate is fast, which is unmatched by other galvanizing processes. Because the coating crystallization is n

The problem of uneven thickness of anti-corrosion coating of The problem of uneven thickness of anti-corrosion coating of spiral pipe and its treatment methodSpiral pipes are mainly used as fluid pipes and piling pipes. After the steel pipe is made, if it is used for water drainage, it will generall

Crude oil prices have decreased. Various countries start to lockdown in response to the omicron variant. This way let people worry about the fuel supply. According to the reports of the COVID-19 vaccine against the new virus variant, this decreases people's worry about the fuel demand. And U.S. crud

As an efficient and dedicated transportation method, pipeline transportation has played an increasingly important role in oil and gas transportation and other fields. Domestic large-diameter transportation pipelines are currently mainly constructed of spiral welded steel pipes. To ensure the reliabl

Thanks for Chile's regular customer order in the stainless steel pipe. These are the stainless steel welded pipes that will be shipped. Chile is an important country in South American. All of us know the Chilean industry and mining be important industries. There are strict requirements for the produ

Annealing steps for straight seam steel pipesAnnealing of straight seam steel pipes is to heat the steel pipe to a temperature and keep it at this temperature and then slowly cool it to room temperature. Annealing includes annealing, spheroidizing annealing, and stress relief annealing.1. Heating th

Maintenance method of large diameter straight seam steel pipe1. Choose suitable venues and warehouses(1) The site or warehouse for storing steel pipes should be located in a clean place with unobstructed drainage, far away from factories and mines that produce harmful gases or dust. Weeds and debris

Colombia pipe fitting customers perfect receiptThreewaySteel Co., Ltd. has been based in China's steel industry for 20 years. While focusing on the integrated business of steel pipe production, inventory, and domestic sales, it has continuously won praise from foreign markets. As the third largest c

How to purchase straight seam steel pipesFirst of all, you need to understand the types of steel pipes1. Divided by type: straight seam steel pipe, seamless steel pipe, spiral steel pipe, etc. 2. Classification of cross-section shape of straight seam steel pipe: square pipe, rectangular pipe, oval t