
Threeway Steel Co., Ltd
E-mail: sales@srtsteelpipe.com
Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116Phone:0086-731-8873-9521

Keywords :Large-diameter steel pipe inner wall anticorrosion Update : 2023-04-20 View(s) : 899
Large-diameter steel pipe inner wall anticorrosion 1. Before processing all steel pipes, the steel plate on the inner wall side of the large-diameter steel pipe shall be de-rusted until the metal is exposed to metallic luster (whitening). It should meet the sa2.5 standard required in GB8923-88...

Keywords :Introduction of straight seam steel pipe and precautions for using straight seam steel pipe Update : 2023-04-18 View(s) : 1028
Straight seam steel pipe does not refer to a certain type of steel pipe, but a large class of welded pipe. It is made of steel strips. Steel pipes made with straight seam high-frequency welding equipment can be called straight seam steel pipes. In fact, in simple terms, When welding steel plates...

Keywords :Main Types of Anticorrosion Coatings for Large Diameter Spiral Steel Pipelines Update : 2023-04-14 View(s) : 992
Large-diameter spiral steel pipeline anticorrosion refers to the chemical or electrochemical reaction of the pipeline in the use and transportation of large-diameter spiral steel pipelines due to the influence of the use environment and the conveying medium. To effectively prevent or control the...

Keywords :What are the heat treatments of stainless steel welded pipes Update : 2023-04-12 View(s) : 1007
During the production process of stainless steel welded pipe , intermediate heat treatment, and finished heat treatment can be carried out. Because a bright surface without oxidation can be obtained, the traditional pickling process is canceled. The use of this heat treatment process not only imp...

Keywords :How to deal with the sealing method of steel flange leakage Update : 2023-04-10 View(s) : 1058
1. Leakage location and condition The connecting steel flange bolts on both sides of the DN150 valve body leak. Since the steel flange connection gap is extremely small, it is impossible to inject sealant through the gap to eliminate the leakage. The leakage medium is steam, the temperature of t...