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 :Precautions for welding stainless steel pipe fittings Update : 2023-10-27 View(s) : 1
1. To prevent corrosion due to heating, the welding should not be too long, which is about 20% less than that of carbon steel electrodes. The arc should not be too long, and the layers will cool quickly. A narrow weld bead is preferred. 2. Stainless steel pipe fittings harden quickly after wel...
Keywords :What properties should the anti-corrosion layer of steel pipes have Update : 2023-10-26 View(s) : 592
The anti-corrosion layer of steel pipes should have the following properties: (1) Effective electrical insulation. (2) It has good moisture-proof and waterproof properties. (3) It has strong mechanical strength. (4) The anti-corrosion layer has good adhesion to the steel surface. (5) T...
Keywords :Acceptance standards and methods for spiral steel pipes Update : 2023-10-25 View(s) : 583
1. Principles for acceptance of spiral steel pipes : The quality inspection and acceptance of spiral welded pipes should be carried out by the supplier’s technical quality supervision department. The supplier must ensure that the delivered spiral welded pipes comply with the requirements of the c...
Keywords :Introduction to straight seam steel pipes and precautions for using straight seam steel pipes Update : 2023-10-24 View(s) : 584
Straight seam steel pipe does not refer to a certain type of steel pipe, but a large category of welded pipes. It is made of steel strips. Steel pipes made using straight seam high-frequency welding equipment can be called straight seam steel pipes. Simply speaking, When welding steel plates, th...
Keywords :Steel pipe surface treatment methods for pipeline anti-corrosion operations Update : 2023-10-23 View(s) : 604
With the continuous development of my country's economy, the country is vigorously developing the energy industry. Long-distance oil and gas pipelines are an important way to ensure energy security. During the anti-corrosion construction process of oil (gas) pipelines, the surface treatment of steel...