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 :Why can 3pe anti-corrosion pipes be anti-corrosion Update : 2022-04-24 View(s) : 933
3PE anti-corrosion pipe means that it has three layers of anti-corrosion PE steel pipes. 3pe anti-corrosion pipeline is widely used today, a kind of steel pipeline with good anti-corrosion. What anti-corrosion materials are the structure of 3pe anti-corrosion pipes composed of? What are the pr...
Keywords :The difference between high frequency welded steel pipe and straight-seam welded steel pipe Update : 2022-04-22 View(s) : 1002
1. Different nature A. High-frequency welded steel pipe : After the hot-rolled coil is formed by the forming machine, the skin effect and proximity effect of high-frequency current are used to heat and melt the edge of the tube blank, and pressure welding is performed under the action of the ex...
Keywords :How deep is the natural gas pipeline buried Update : 2022-04-21 View(s) : 989
The minimum covering soil thickness for the burial of underground gas pipelines shall meet the following requirements: When buried under the roadway, it shall not be less than 0.9m; When buried under non-vehicle roads (including sidewalks), it shall not be less than 0.6m; When buried in...
Keywords :What types of oil pipelines are there Update : 2022-04-20 View(s) : 735
There are two types of oil pipelines : crude oil pipelines and refined oil pipelines . Different oil products are conveyed, and the conveying process is also different. Crude oil is generally relatively heavy, viscous, and easy to solidify; and refined oil is divided into gasoline, kerosene, d...
Keywords :Quality identification of spiral steel pipe Update : 2022-04-19 View(s) : 802
1. The trademark and printing of the high-quality tube are comparable to the standard. 2. The composition of high-quality steel is uniform, the tonnage of the cold shearing machine is high, and the end face of the cutting head is smooth and regular, while the inferior material often has the appear...