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 :Quality inspection method of spiral steel pipe Update : 2023-04-25 View(s) : 1
The quality inspection method for spiral steel pipe is as follows: 1 Judging from the surface, that is, in visual inspection. Visual inspection of welded joints is a simple procedure with various inspection methods and is an important part of finished product inspection, mainly to find weld...
Keywords :What are the advantages of 304 stainless steel pipe fittings Update : 2023-04-24 View(s) : 607
①Advantages of material performance: As the name suggests, the thin-walled 304 stainless steel pipe is made of stainless steel. The strength of stainless steel is 3 times that of copper pipes, and 8-10 times that of PPR pipes. It can withstand the impact of high-speed water flow at 30 meters per...
Keywords :Common anti-corrosion methods of 3PE anti-corrosion steel pipe Update : 2023-04-23 View(s) : 599
1. Steel pipeline anticorrosion generally adopts two main methods of external coating and cathodic protection. 2. Although most of the surface of the steel pipe is covered by the coating, a slight leak will cause an incredible corrosion rate, or even perforation or cracking. Therefore, in t...
Keywords :Identification method of fake and inferior steel pipes Update : 2023-04-21 View(s) : 1
1. Fake and inferior thick-walled steel pipes are prone to folding. Folding is a variety of fold lines formed on the surface of thick-walled steel pipes, and this defect often runs through the longitudinal direction of the entire product. The reason for the folding is that the fake and inferior manu...
Keywords :Large-diameter steel pipe inner wall anticorrosion Update : 2023-04-20 View(s) : 569
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...