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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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How to choose square tubing for sale?-news-TIANJIN YUANTAI DERUN PIPE MANUFACTURING GROUP CO., LTD-
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How to choose square tubing for sale?
How to choose square tubing for sale?

1. What is a square tubing for sale

Square tubing for sale is a kind of steel pipe, namely square pipe, which is called square pipe together with rectangular pipe.

2. How much is the price of square tubing for sale per ton?

As a building material, square tubing for sale is widely used in machinery manufacturing, shipbuilding, steel structure engineering, electric power engineering, etc. Its price is not cheap, so how much does a square tubing for sale cost per ton?

The price of pipes on the market is not fixed and is mainly affected by the price of steel in the market. In addition, the production process, production standards, surface treatment process, use, specifications, wall thickness, etc. will also affect its price. The price of square tubing for sale varies depending on the place of purchase. The price ranges from five yuan to six or seven thousand yuan per ton.

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3. How to choose high-quality square tubing for sale?

Square and rectangular pipe is a material commonly used in the industrial construction industry, and the demand is large. There are many square and rectangular pipe products on the market, and the quality is uneven. When choosing, pay attention to the selection method:

1. Look at the size

The vernier card measuring tool can be used to simply measure whether the actual size is about one size smaller than the indicated size or more. Generally, there is not much difference between good square and rectangular tubes; in addition, it should be noted that some inferior square tubing for sale will be deceived by smashing the mouth. Therefore, it is flat oval when viewed from the end face of the surface of the steel pipe, while the end face of the regular material should be basically circular.

2. Look at the performance

Square and rectangular pipes have certain tensile and compressive properties, so we can also consider these aspects when choosing square tubing for sale: tensile strength is the performance of the foundation of square pipes, and the greater the tensile strength, the more square pipes are represented. The better the performance; the compression and bending performance should also be considered comprehensively.

3. Look at the surface quality

Poor-quality square pipes are rolled from unqualified raw materials, and they have a rough, uneven surface that frequently has flaws like scarring. Due to inadequate heating temperatures and rolling speeds, some small steel mills have a reddish surface color; premium square pipes The tube quality passed the test; there are no obvious flaws, and the color is bright white.

4. Look at the packaging

Most of the regular square tubing for sale is packed in large bundles when they leave the factory, and the metal plates corresponding to the real objects are hung on the bundles of steel, indicating the manufacturer's steel grade, batch number, specification, and inspection code, etc.; while the small bundles (about ten bundled) Special attention should be paid to square and rectangular tube products that are packaged or in bulk, without metal signs, and without warranty.