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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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API 5L steel pipe-Seamless Steel Pipe-TIANJIN YUANTAI DERUN PIPE MANUFACTURING GROUP CO., LTD-
Seamless Steel Pipe

Home >> products >> Steel Pipe & Steel tube >> Seamless Steel Pipe

API 5L steel pipe
API 5L steel pipe
API 5L steel pipe
API 5L steel pipe
API 5L steel pipe

Thickness: 0.5mm - 60 mm
Outer Diameter: 10.3mm - 2032 mm
Material: API X42 X52 X60 X65 X70 GrA GrB GrC
Length: 5.8m 6m 12m or required

Product Details:

Item

API 5L oil tube

Grade

API X42 X52 X60 X65 X70 GrA GrB GrC

Thickness

0.5mm - 60 mm

Outer Diameter

10.3mm - 2032 mm

Length

5.8m 6m 12m or as the customer's requirement

Tolerance

+-5%

Used Area

Petroleum, chemical, power, gas, water, metallurgy, shipbuilding,
construction, etc.

Standards

API 5CT, ASTM, API 5L, ASTM A106, ASTM A53

Surface Treatment

Black painting, black varnish, transparent oil, epoxy coating, etc

Packaging

Standard exporting packing or as client's requirement

The above are the general items, for the special types, we can also meet your needs.



API 5L generally refers to the implementation standard of pipeline steel pipes. Pipeline steel pipes are used to transport oil, steam, water, etc. extracted from the ground to oil and gas industry enterprises. Pipeline steel pipes include seamless steel pipes and welded steel pipes. At present, the welded steel pipes commonly used in oil pipelines in my country include spiral submerged arc welded pipes (SSAW), straight seam submerged arc welded pipes (LSAW), and electric resistance welded pipes (ERW). Seam steel pipe is generally selected when the diameter of the pipe is less than 152mm.

There are many kinds of steel grades for raw materials of API 5L steel pipes: GR.B, X42, X46, X52, X56, X60, X70, X80, etc. Now large steel mills like Baosteel have developed steel grades of X100, X120 pipeline steel. The steel grades of steel pipes are different, the requirements for raw materials and production are higher, and the carbon equivalent between different steel grades is strictly controlled. 


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