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Tianjin Yuantai Derun Pipe Manufacturing Group Co., Ltd., established in March 2002, is the biggest manufacturer specializing in  ERW square&rectangular tube/pipe, hollow section structure pipe, galvanized pipe and spiral welding pipe in China. Annual output reaches 5 million tons.Yuantai Derun has 59 production lines of black ERW pipe, 10 production lines of galvanized pipe and 3 production lines of spiral welding pipe. Square pipe from 20*20*1mm to 500*500*40mm, rectangular pipe from 20*30*1.2mm to 400*600*40mm,  welded pipe from 2”—60” can be manufactured. Yuantai Derun can manufacture square rectangular pipes as per the standards of ASTM A500, JIS G3466, EN10219, DIN2240, BS1387, AS1163.

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January 1993

Key team members of Yuantai Derun group began technical job in Tianjin Daqiuzhuang tube factory.

June 2002

Tianjin Yuantai Industry & Trade Co., Ltd. was founded, specialize in square, rectangular hollow steel pipe, hot galvanized welded (hot dip galvanized) square tube, the registered capital is USD 10 million.

May 2004

One of Yuantai subsidiaries Tangshan Lituo Steel Tube Co., Ltd. was established, specialize in square rectangular straight welded hollow steel pipe, registered capital is USD 10 million.

April 2005

Yuantai Steel Square Pipe Co. Ltd. was established, specialize in square welding hollow steel tube and galvanized tube, the registered is USD 2 million.

March 2010

Tianjin Yuantai Runxiang commercial trade company was established, specialize in strip steel trade, galvanized pipe agent, etc., the registered capital is USD 2 million.

March 2010

Tianjin Yuantai Derun pipe manufacturing group Co. Ltd. was formally established, marking that the production of high-frequency welded black, galvanized square pipe, spiral welded pipe, pipe logistics and pipe trade as one of the large-scale joint enterprise Yuantai Derun group was formally established, the group registered capital is USD 20 million.

March 2010

Tianjin Yuantai Derun Investment Co., Ltd. was formally established, specialize in steel pipe industry chain,lower industry mergers and acquisitions and industrial real estate development, the registered capital is USD 2 million.

August 2013

Tianjin Derun Runfeng pipe manufacturing Co. Ltd was established, specialize in hot galvanized (hot galvanizing) processing business, the registered capital is USD 8 million.

March 2015

Tianjin Yuantai Yuanda anti-corrosion insulation pipe Co., Ltd. was established, specialize in spiral welded pipe production and sales, the registered capital is USD 2 million.

August 2015

Tangshan Yuantai Derun Pipe Co., Ltd. was established, specialize in steel strip, steel pipe trade, registered capital is USD 1 million.

March 2016

Tianjin Yuantai Derun International Trade Co., Ltd was established,mainly engaged in international import and export business for Yuantai Group, registered capital is USD 2 million.

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what is square tubing used for-news-TIANJIN YUANTAI DERUN PIPE MANUFACTURING GROUP CO., LTD-
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what is square tubing used for
what is square tubing used for

what is square tubing used for

The square and rectangular tube is a name for the square tubing and the rectangular tube, and the strip steel is processed and rolled. Generally, the strip is unpacked, flattened, coiled, welded to form a round tube, and then rolled into a square tube from the round tube and then cut to the required length.

So what is square tubing used for?

In one aspect of what is square tubing used for, in the field of engineering, there are many uses of square and rectangular pipes, such as galvanized welded square pipes for low-pressure fluid transportation, mining fluid transportation welded square pipes, large-diameter electric-welded square pipes for low-pressure fluid transportation, and stainless steel welded square pipes for mechanical structures.

Large-diameter square tube, also known as rectangular tube, is divided into square tube, open-mouth square tube, wavy square tube, etc. Drawing seamless splicing large-diameter rectangular tubes, extrusion forming seamless splicing large-diameter rectangular tubes, and electric welding large-diameter rectangular tubes.

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For the question that what is square tubing used for, square and rectangular tubes are widely used in construction, machinery, shipbuilding, electric power, agriculture and animal husbandry, warehousing, fire protection, home appliances and other industries. It can be said that it is an indispensable steel for the development of modern industry. Square and rectangular pipes are an indispensable part of the construction field. With the hot construction projects, the demand for steel pipes of the other party is also increasing, so how should square and rectangular pipes be preserved?

Generally, the square pipe will be stored in the place or warehouse, and the drainage should be smooth. It is best to keep the square pipe away from harmful gases. If it is a small square tube, you can store it in a well-ventilated shed, and then put some cushions under the square tube to avoid direct contact with the ground.

The square and rectangular tube is a steel pipe with equal and unequal side lengths. If it is subdivided, it can be divided into square tubes and rectangular tubes. This is because the area of the cross street is different, the square tube is a square tube, and the rectangular tube is a rectangular tube. In terms of use, the two kinds of steel pipes are also different. Square pipes are used for construction, machinery manufacturing, steel construction and other projects, and rectangular pipes are used for pipelines for conveying fluids, such as oil, natural gas, water, gas, steam, etc.

Seamless square tubes will corrode when placed in air. Oxides formed due to heating may have a significant impact on pitting resistance. The microstructure of hot-dip galvanized square tube plays an important role in the pitting corrosion resistance of the alloy.