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 :Common anti-corrosion methods of 3PE anti-corrosion steel pipe Update : 2023-04-23 View(s) : 492
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) : 468
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 :How to check the quality of large-diameter thin-walled steel pipes Update : 2023-04-19 View(s) : 541
1. Generally, large-diameter thin-walled steel pipes are used for the transportation of general lower-pressure fluids such as water, gas, air, oil, and heating steam. 2. Ordinary carbon steel wire casing (GB3640-88) is a steel pipe used to protect wires in electrical installation projects s...
Keywords :Introduction of straight seam steel pipe and precautions for using straight seam steel pipe Update : 2023-04-18 View(s) : 506
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...