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 :The difference between straight seam welded pipe and spiral welded pipe Update : 2022-06-07 View(s) : 1
Metallurgical Properties of Fabrication Materials The raw material of the spiral welded pipe is a hot-rolled coil, and the straight seam welded pipe is made of a steel plate socket. The weight of the alloy contained in the coil is less than that of the steel plate, and it is for this reaso...
Keywords :The main characteristics of TPEP anti-corrosion steel pipe Update : 2022-06-06 View(s) : 1001
The main features of TPEP anti-corrosion steel pipe are: 1. The anti-corrosion performance of polyethylene can withstand various corrosions existing in the natural environment; 2. Has a high quality-price ratio; 3. Polyethylene has excellent insulation performance, and the electrical perfo...
Keywords :Repair requirements for the shortcomings of spiral steel pipe welds Update : 2022-06-02 View(s) : 761
The repair requirements for the shortcomings of spiral steel pipe welds are as follows: The minimum length of the repair weld is 50mm. If the defect direction on the base metal of the steel pipe is allowed, the repair welding seam should be along the circumferential direction. Repair welds s...
Keywords :What requirements should the weld repair of pressure steel pipelines meet Update : 2022-06-01 View(s) : 797
(1) Before repairing, analyze the causes of defects and propose corresponding repairing measures. (2) When repair welding is required for repair, the qualified welding process shall be adopted, and the welding shall be carried out by a qualified welder. (3) When the number of repairs for the sam...
Keywords :Heating requirements for spiral steel pipes Update : 2022-05-31 View(s) : 818
Before the steel is hot rolled, heating the raw material not only improves the mental plasticity, reduces the deformation force, but also facilitates rolling. In addition, during the heating process of the steel, some structural defects and stresses caused by the ingot can also be eliminated for the...