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Two forms and application examples of stainless steel welded pipe

Stainless steel welded pipe is a pipe made of stainless steel plate or strip crimping after forming and welding, simple production process efficiency, low cost and variety of specifications, but generally low strength than seamless steel pipe. However, with the continuous progress of production technology, the quality of stainless steel welded pipe is getting better and better, in many respects it has replaced the original seamless steel pipe.
According to the form of weld, two kinds of welded pipe can be divided into straight welded pipe and spiral welded pipe.
The production process of the former is relatively simple, the production efficiency is high, the cost is low, and the development is faster. The latter strength is usually higher than the former, and its raw material source is wider. But compared with the straight seam stainless steel pipe of the same length, the weld length increases more and the production speed is slower.
Therefore, most of the small caliber welded pipe is welded with straight seam, and most of the large diameter welded pipe is welded by spiral welding. Below is the following example.
Low pressure fluid transport with galvanized stainless steel pipe, mainly used to transport water, gas, air and heating steam, hot water and other low pressure fluid. Such stainless steel pipes can be divided into ordinary galvanized steel pipes and thickened galvanized steel pipes according to wall thickness. According to the end of pipes, they are divided into stainless steel galvanized stainless steel tubes and threaded galvanized stainless steel pipes.
Common carbon steel wire bushing is used mainly as a kind of steel pipe used in electrical installation engineering, such as industrial and civil construction, installation machine equipment and so on.
The straight welded stainless steel pipe is a kind of steel pipe which is parallel to the weld and the stainless steel tube. Generally, it is divided into public welded steel pipe, thin-walled tube of electric welding and cooling pipe of transformer and so on.
The spiral submerged arc stainless steel welded pipe for pressure fluid transportation is made of hot rolled stainless steel coil as the tube blank. It is welded by normal temperature spiral forming, and is welded by double side submerged arc welding. It is used as the spiral seam steel pipe for pressure fluid transportation. The stainless steel pipe has strong bearing capacity, better welding performance and safety reliability. The stainless steel pipe has a large diameter and high transport efficiency, and it can save a lot of pipeline investment.
The spiral stainless steel welded pipe used for pile is made of hot rolled stainless steel coil as the tube blank, which is formed by the spiral molding at room temperature, using double side submerged arc welding or high frequency welding. The main purpose is stainless steel pipe for wharf or bridge foundation.
Source: China Stainless Steel Welded Pipe Manufacturer – Yaang Pipe Industry Co., Limited (www.yaang.com)

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