Today Cangzhou Shenlong Pipe Manufacturing Co., Ltd. gives you some information about stainless steel welded pipe.

Stainless steel welded steel pipe is referred to as stainless steel welded pipe, commonly used steel or steel strip after the unit and mold curl forming welded steel pipe. Welded steel pipe production process is simple, high production efficiency, a variety of specifications, less equipment capital, but the general strength is lower than seamless steel pipe.

Since the 1930s, with the rapid development of strip rolling production and welding and inspection technology advances, the quality of welded seams continue to improve, the increasing variety of welded steel pipe specifications, and in more and more areas, especially in the equipment tube, decorative tube, low pressure fluid pipe instead of seamless steel pipe.

Characteristics of stainless steel welded pipe

One, small-diameter stainless steel welded pipe is continuous online production, the thicker the wall thickness, the larger the investment in the unit and dissolving equipment, the less economical and practical it is. The thinner the wall thickness, its input-output ratio will drop accordingly; second, the process of the product determines its advantages and disadvantages, general welded steel pipe with high precision, uniform wall thickness, high brightness of the tube appearance (the surface grade of the steel plate determines the surface brightness of the steel pipe), can be arbitrarily sized. Therefore, it embodies its economy and beauty in high-precision, low and medium pressure fluid applications.

Stainless steel pipe welding characteristics

According to the welding technology can be divided into automatic welding welding, manual welding. Automatic welding generally uses submerged arc welding, plasma welding, manual welding generally uses argon arc welding.

Classification of stainless steel welded pipe

According to the form of welded seam is divided into straight seam welded pipe and spiral welded pipe.

According to the use is divided into general welded pipe, heat exchanger tube, condenser tube, galvanized welded pipe, oxygen blowing welded pipe, wire casing, metric welded pipe, roller tube, deep well pump tube, automotive tube, transformer tube, electric welding thin-walled tube, electric welding shaped tube and spiral welded pipe

GB/T12770-2002 (stainless steel welded steel pipe for mechanical structure) It is mainly used for machinery, automobiles, bicycles, furniture, hotel and restaurant decoration and other mechanical parts and structural parts. Its representative materials 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb, etc.

GB/T12771-2012 (stainless steel welded steel pipe for fluid transportation) Mainly used for the transmission of low-pressure corrosive media. Representative materials are 06Cr19Ni10, 022Cr19Ni10, 06Cr19Ni110Ti, 00Cr17, 0Cr18Ni11Nb, 06Cr17Ni12Mo2, etc.

The market demand of stainless steel welded pipe

With the rapid development of China's economic construction, the consumption of stainless steel is increasing, of which the demand for stainless steel pipe is also expanding day by day, and the market outlook is promising. The market demand of stainless steel seamless pipe is shown in the basic industry, such as petroleum, chemical industry, power generation, etc. The demand accounts for one-third of the total consumption of stainless steel seamless pipe, and there is also a greater demand for such as automobile, shipbuilding, construction and environmental protection industry, etc. Stainless steel welded tubes are mainly used in heat exchanger tubes, fluid tubes, pressure pipes, mechanical structural tubes, urban landscape, and other industries, with an annual consumption of about 700,000t. Industrial stainless steel welded pipe demand is relatively high, and the production process is mature, at present, China's annual industrial stainless steel welded pipe volume of about 150,000t, part of the still need to import. From the domestic stainless steel pipe products, steel grades to austenitic steel; product varieties are: seamless steel tubes, including cold drawn tubes, cold rolled tubes, hot extruded tubes, centrifugal casting tubes, spinning tubes; welded tubes including: plasma welding, argon arc welding, submerged arc welding, light speed welding and high-frequency welding and other welded tubes, the production of stainless steel pipe basically covers the world's standard specifications of varieties, stainless steel shaped tube specifications, varieties also Up to more than species, product use involves industrial, civilian use of many fields. But overall, the domestic stainless steel pipe in terms of variety, specifications, quantity, etc., and market demand has a certain gap.

Cangzhou Shenlong Pipe Manufacturing Co., Ltd. is a professional manufacturer, processor and seller of various steel pipes and pipe fittings. The production scale is large and the products are exported to overseas countries. If you still have any questions, please feel free to contact us. We are looking forward to your cooperation.