Stainless steel welded pipe and welded joints

 

Stainless steel welded and welded joints

 

 

(1) internal thin-walled stainless steel tube to facilitate the use of time

 

Thin-walled stainless steel pipe, in the late 1990s, China began to manufacture, use today's pipe-and-coming in the newborn's family, have been widely used in the construction of water supply and drinking water pipelines.

 

Durability of thin-walled stainless steel tubes, was recognized as the engineering community and interested parties are to reduce the wall thickness, reducing the price action in order to facilitate further progress. Especially small diameter stainless steel pipe, the price is not high, supporting the connection method, the reliability of pipes and the price are the main factors that determine its development. Inside was a developer in the province of Sichuan, Guangdong, Zhejiang, Jiangsu and other places, independently developed the technology connections and fittings, pipes promising. Ministry of Construction and relevant departments attach great importance to this new type of pipe technologies for China Market Management Promotion Center, the National Science, [2001] № 71, files, and to encourage the use of height to diameter of the wall than the high-precision stainless steel, high pressure pipes and pipe support with a proprietary technology "notice that the thin-walled stainless steel tubes promotion and implementation of technologies and products to improve the class of modern architecture in China, to improve and protect water quality is important.

 

Meanwhile, the Ministry of Construction attaches great importance to the development and application of thin-walled stainless steel tubes. Thin-walled stainless steel pipe industry standard was released in 2001. Associated piping and installation processes Atlas, Ministry of Construction issued the document, is responsible for the preparation of Tongji University. At present, Sichuan, Guangdong, Zhejiang, Jiangsu and other places of professional manufacturers to produce thin-walled stainless steel tubes, the product was mature, and thus promote the use of the time has come.

 

(2) of the internal market prospects

 

① water supply pipeline to

 

In accordance with the "construction business" Ninth Five-Year Plan and Vision 2010 goals for the assessment, between 2001 and 2010, annual demand for pipes of 50 ~ 600 000 km, of which residential construction demand for hot and cold running water in the area of 400,000 km. Some people think that the development of stainless steel pipe, increasing the contemporary urban architecture is of great importance.

 

② drinking water pipeline of rapid development

 

With the development of national economy, pipeline direct drinking water and is actively planning to catch a straight on but in the rapid development of domestic Beijing, Shenzhen, Shanghai, Chongqing and other cities, economically developed medium-sized cities. In the direct drinking, stainless steel pipe, of course, is second to none. Inner classes of hotels, public places have been allocated or direct pipe drinking water in the configuration.

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③ Wide future domestic import

 

In order to facilitate stainless steel tube, China since 1990 in terms of reducing the wall thickness, reduce costs begin to solve technical problems "of height to diameter of the wall than the precision of thin-walled stainless steel tubes, stainless steel is widely used, is evolving rapidly. View pipeline, to be able to contribute fully to use, and ultimately the locale. At present, China is part of the plant with production capacity and further development of thin-walled stainless steel tubes and fittings.

 

(3) stainless steel tube connected forms

 

A variety of stainless steel tube connected common type of tube compression, compression type, to live right, push, push, threaded, welded socket, a live connection flanges, welding, and welding and traditional ties combination of derivative compounds of the series. These bonds, in accordance with the principle, its magnitude is different, but most of them are easy to install, durable and reliable. Connection with the use of printing or sealing material, most of the selected according to national standards of silicone rubber, nitrile rubber and ethylene propylene diene monomer rubber, etc., eliminating the concern of users