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 :What are the classifications of seamless steel pipes for fluid transportation in commonly used proce Update : 2023-05-09 View(s) : 470
❶Carbon seamless steel pipe : The commonly used manufacturing materials are No. 10, No. 20, and 16Mn steel. ❷Low-alloy steel seamless steel pipe: refers to an alloy steel pipe containing a certain proportion of alloying elements. It is usually divided into two types: one is low-alloy steel p...
Keywords :Construction and installation of thin-walled stainless steel pipes Update : 2023-05-08 View(s) : 532
1) Thin-walled stainless steel pipes and fittings should not be in direct contact with cement, cement mortar, or concrete. When the pipeline is laid in the dark, anti-corrosion tape should be wrapped on the outer wall of the pipe or a plastic-coated thin-walled stainless steel pipe should be use...
Keywords :How to avoid wear and tear of spiral steel pipe Update : 2023-05-06 View(s) : 1
1. Spiral steel pipe packaging should be able to avoid loosening and damage during normal loading, unloading, transportation, and storage. 2. If the purchaser has special requirements for the packaging material and packaging method of the spiral steel pipe, it should be specified in the con...
Keywords :Distinguishing method of welded steel pipe and seamless steel pipe Update : 2023-05-05 View(s) : 509
1. Metallographic method: Metallographic method is the main method to distinguish welded steel pipes and seamless steel pipes . There is no welding material added to the high-frequency resistance welded steel pipe, so the weld seam in the welded steel pipe is very narrow, and the weld seam cannot...
Keywords :Surface treatment and processing methods of thick-walled steel pipes Update : 2023-05-04 View(s) : 525
To improve the service life of oil and gas pipelines, surface treatment is usually carried out to facilitate the firm combination of thick-walled steel pipes and anti-corrosion layers. Common treatment methods are: cleaning, tool de-rusting, pickling, spray shot blasting, and de-rusting. 1. Pic...