Failure analysis of Buried Natural Gas Pipeline Tee

Failure analysis of Buried Natural Gas Pipeline Tee

In order to analyze the cause of the fracture of a high-pressure gas pipeline tee, the material metallographic examination, mechanical property examination and micro fracture scanning electron microscope were used to analyze the crack. It was concluded that the tee was not normalized or recrystallized annealed, and the external load was the main cause of […]

 
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Improvement of grinding method for large diameter thin wall sleeve

Due to the poor rigidity of large-diameter thin-walled sleeve, it is difficult to control the clamping force in grinding, which affects the machining quality. In view of this situation, several improvement schemes are adopted to ensure the machining accuracy requirements and product quality. 1. Preface When grinding the inner and outer surfaces of the sleeve […]

 
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The production process of stainless steel pipe bend

The production process of stainless steel pipe bend According to the different manufacturing methods, the stainless steel pipe bend can be divided into three types, namely, the bending pipe, the punching pipe and the welded pipe. Which can be divided into two types of bending bending and bending. When the stainless steel tube for bending the pipe […]

 
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What is Pipe fitting

What is Pipe fitting?

What is Pipe fitting? Pipe fitting is the operation of repairing or installing tubing or piping systems which convey gas, liquid, and solid materials occasionally. It also involves selecting and preparing tubing or pipe, joining it by several means and location and repairs of leaks. Fitters work with various tubing and pipe materials such as […]

 
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What are pipefittings?

What are pipefittings?

What are pipefittings? Pipefittings are general terms for components in the piping system that function as connection, control, direction change, split, seal, and support. According to the different processing methods, it is divided into four categories, namely, butt welding pipe fittings (both welded and non-welded), socket welding pipe fittings and threaded pipe fittings and flanged pipe […]

 
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What is reducing elbow

Reducing Elbow is a kind of elbow setting that provides a change in the material flow and joins two pieces of different pipes or tubes. It helps the system to avoid pressure losses due to re-acceleration and friction. It is named so as it designed like an elbow. It has different sized openings depending on […]

 
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Destructive and No-destructive Testing of Butt Weld Pipe Fittings

Destructive and No-destructive Testing of Butt Weld Pipe Fittings Why and how often are butt weld pipe fittings tested ? Butt weld pipe fittings are tested to assure conformity with standards and performance in their applications. Standard, commodity butt weld pipe fittings are tested by sampling during manufacturing process, with both destructive and non-destructive approaches. […]

 
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Manufacturing Process of Butt Weld Pipe Fittings

Manufacturing Process of Butt Weld Pipe Fittings What is the difference between a manufacturer and a supplier of butt weld pipe fittings ? Manufacturers own machines, presses and equipment to actually make butt weld pipe fittings from pipe or plate. Suppliers are intermediaries between manufacturers and end-users: suppliers can be wholesalers, distributors, EPCs, … In […]

 
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Materials of Butt Weld Pipe Fittings

Materials of Butt Weld Pipe Fittings Why do manufacturers offer such a large variety of metals and materials ? Pipes and fittings are used in many applications and many industries that have widely different operating conditions. To reach best performance (resistance to various types of corrosive fluids, operating temperature, …) at acceptable costs, many metals […]

 
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Standards and Certifications of Butt Weld Pipe Fittings

Standards and Certifications of Butt Weld Pipe Fittings Who decides on standards and specifications for butt weld fittings ? Manufacturers of butt weld pipe fittings have to meet specifications and requirements of many organizations, to assure quality, compatibility and performance of their products. Key national and international standards organizations focus on materials and end-user industries, […]

 
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