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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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LSAW welded pipe-LSAW Steel pipe-TIANJIN YUANTAI DERUN PIPE MANUFACTURING GROUP CO., LTD-
LSAW Steel pipe

Home >> products >> Steel Pipe & Steel tube >> LSAW Steel pipe

LSAW welded pipe
LSAW welded pipe
LSAW welded pipe
LSAW welded pipe
LSAW welded pipe

Outer Diameter: 5mm-630mm
Thickness: 0.25mm-75mm

Length: 6-12m

Product details:

Product name

LSAW welded steel pipe

Material

Q195-A~Q275-A Q195B~Q275B 10# ~75# 16Mn,5MnV,09MnV 40Cr,

30CrMnSi,45Mn2,40MnB, ASTM A53 A36, A106,API 5L A106 Gr.B etc

Surface

Coated/galvanized/black

Technique

Hot rolled/cold rolled /cold drawn /seamless/erw

Dimension

Outer Diameter: 5mm-630mm 

Thickness: 0.25mm-75mm

Application

Oil/gas pipe, aerospace use, machine parts, furnace, geological exploration, acid resistance, bearing

Surface

Coated /galvanized /black


LSAW welded pipe3.jpg


LSAW (long seam submerged arc welding) welded pipe is a common welded pipe. It has unique welding methods and advantages and is suitable for a variety of projects and industries. LSAW welded pipes are usually manufactured using straight seam welding technology and have high strength, high corrosion resistance, and good mechanical properties.

The production process of LSAW welded pipes includes material selection, steel plate pre-processing, roll bending, welding, painting, inspection, and other links. Its manufacturing process is strictly controlled to ensure that the quality and performance of the pipes meet international standards. LSAW welded pipes are mainly used in petroleum, chemical industry, electric power, aerospace, shipbuilding and other industries, and have a wide range of uses and market demands.

The main advantages of LSAW welded pipe are as follows:

1. High strength: LSAW welded pipe has been treated with a special process has excellent strength and pressure resistance, and can withstand use in high-pressure environments.

2. Good welding performance: The use of submerged arc welding technology results in higher quality welded joints and good weld strength, which can ensure the stability and sealing of the pipeline.

3. Good corrosion resistance: The surface of LSAW welded pipes is usually treated with anti-corrosion treatment, which can effectively prevent corrosion and extend the service life of the pipeline.

4. Accurate dimensions: LSAW welded pipes have precise dimensions during the production process and can meet the pipe size requirements of different engineering projects.

5. Wide range of applications: LSAW welded pipes can be used to transport liquids, gases, solids, and other media, and have a wide range of applications.

In general, LSAW welded pipe, as an important welded pipe, has high strength, good welding performance, and corrosion resistance, and is widely used in various engineering projects. In future development, LSAW welded pipe will continue to play an important role in meeting engineering construction needs and promoting industry development.


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