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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: 410116

Phone:0086-731-8873-9521  

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Qualified standard parameters for flaw detection of large-diameter steel pipes

Qualified standard parameters for flaw detection of large-diameter steel pipes

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 ...

What is the difference between welded steel pipe and welded spiral steel pipe

What is the difference between welded steel pipe and welded spiral steel pipe

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...

How to deal with different boiler tube wall thicknesses

How to deal with different boiler tube wall thicknesses

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...

What aspects need to be considered in the design of petrochemical steel pipelines

What aspects need to be considered in the design of petrochemical steel pipelines

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...

The molding process of steel bending pipe and how to prevent aging

The molding process of steel bending pipe and how to prevent aging

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, ...

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