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 :Qualified standard parameters for flaw detection of large-diameter steel pipes Update : 2023-07-21 View(s) : 636
In the production of large-diameter steel pipes , single circular inclusions and pores with a weld diameter not exceeding 3.0mm or T/3 (T is the specified wall thickness of the steel pipe) are qualified, whichever is smaller. In any 150mm or 12T length weld range (whichever is smaller), when the ...
Keywords :What is the difference between welded steel pipe and welded spiral steel pipe Update : 2023-07-19 View(s) : 1
Welded steel pipe refers to a steel pipe with seams on the surface that is welded after bending and deforming a steel strip or steel plate into a circular, square, or other shape. The blanks used for welded steel pipes are steel plates or strips. Since the 1930s, with the rapid development of co...
Keywords :How to deal with different boiler tube wall thicknesses Update : 2023-07-17 View(s) : 623
When the thickness of the boiler tube wall is different, it can be dealt with using compensating gaskets. 1. The thickness of the pipe wall can be thickened or thinned to achieve the required consistency. 2. In the case of inconsistent pipe wall thickness, high-strength bolts, and washers...
Keywords :What aspects need to be considered in the design of petrochemical steel pipelines Update : 2023-07-13 View(s) : 662
1. The layout design should meet the requirements of the process pipeline and instrument flow chart. 2. The layout of petrochemical steel pipelines should be planned as a whole, safe, reliable, economical, and reasonable, meet the requirements of construction, operation, maintenance, and other...
Keywords :The molding process of steel bending pipe and how to prevent aging Update : 2023-07-11 View(s) : 594
Steel bending pipe processing and forming process: 1. Die forging. For socket welding and threaded tees, crosses, elbows, and other small pipe fittings, the shapes are more complicated and should be manufactured by the die forging process, and the die forging blanks should be rolled profiles, ...