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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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¿Cómo prevenir la deformación del puerto de la tubería de acero de costura recta?-Noticias-Tianjin yuantai Derun Tubo de Acero manufacturing group co., Ltd-
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¿Cómo prevenir la deformación del puerto de la tubería de acero de costura recta?
¿Cómo prevenir la deformación del puerto de la tubería de acero de costura recta?

Los tubos de acero de costura recta ahora se utilizan ampliamente en muchos campos, como el transporte de petróleo y gas natural, como resultado del desarrollo y progreso de la sociedad. El puerto de la tubería de acero de costura recta debe tener una forma circular estándar, pero se verá afectado por algunos factores y se deformará. La tubería de acero de costura recta deformada no se puede usar ni instalar normalmente; por tanto, ¿cómo se debe evitar esta situación?


straight-seam steel pipes.jpg


1. En primer lugar, los fabricantes de tubos de acero de costura recta deben prestar atención. Para evitar inclusiones de escoria en las costuras soldadas, la calidad de la soldadura debe controlarse estrictamente cuando se producen tubos de acero con costura recta, y el alambre de soldadura y el fundente utilizados deben ser de alta calidad. Productos que aseguran el desempeño de la tubería de acero con costura recta para que no se deforme fácilmente.

2. Debe dominar el método de almacenamiento adecuado para las tuberías de acero de costura recta. No se pueden apilar demasiado alto. Algunas tuberías de acero de costura recta también deben tener soporte durante el almacenamiento para evitar la deformación del puerto causada por un almacenamiento inadecuado.

3. Tenga cuidado al manipular tuberías de acero con costura recta para evitar golpes o colisiones con las tuberías de acero con costura recta. Los puertos de las tuberías de acero de costura recta se deformarán si el impacto o la colisión son demasiado severos.