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

Status and measures of galvanized steel pipe connection modeImproper connection situation1. Leakage, water leakage, and dampness at the mouth of the pipe;2. There is no re-galvanizing at the welding place of galvanized pipe and flangePreventive measures against improper connection1. In the selection

Construction before welding of large-diameter steel pipes and anti-corrosion treatment of the inner wall of the pipeConstruction preparation before welding of large diameter steel pipe:1. Organize relevant operators, be familiar with construction drawings and specifications, formulate welding proced

What are the precautions for the specific use of stainless steel flanges1. To prevent the corrosion between the eyes due to the heating of the flange cover, the welding current should not be too large, about 20% less than the carbon steel electrode, the arc should not be too long, the interlayer coo