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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 carbon steel 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 carbon steel pipe
lsaw carbon steel pipe
lsaw carbon steel pipe
lsaw carbon steel pipe
lsaw carbon steel pipe

Out Diameter: 355.6mm-1420mm
Wall Thickness: 6-60mm
Length: 1-12m or customized

Product Name

LSAW carbon steel pipe

Process

LSAW - UO(UOE),RB(RBE),JCO(JCOE)
DSAW -Double Submerged arc welded

Standard

API 5L, API 5CT, ASTM 53, EN10219,GB/T3091, GB/T9711

Certificate

ISO9001 ISO45001 ISO14001 BV BC1 EN10219 EN10210 ASTM A500/501 JIS G3466 EPD PHD

Out Diameter

355.6mm– 1420mm

Wall Thickness

6-60mm

Length

1-12M or as request

Grade

API X42 X52 X60 X65 ×70 GrA GrB GrC,S275JOH,S355JR,S355JOH,S355J2H,S355 s235S420 S460

Surface

Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, and Black Oil coating as per the customer’s requirement

Test

Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties
(Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.

MOQ

5 Tons

END

Plain, Bevelled

Package

In bundles, loose pieces.

LSAW pipe1.jpg


Introduction to LSAW Pipe

LSAW (Longitudinal Submerged Arc Welded) pipe is a type of steel pipe manufactured by using the submerged arc welding process. LSAW pipe is a popular choice for a variety of applications due to its strength, durability, and versatility. In this article, we will discuss the standards, chemical composition, mechanical properties, applications, and advantages of LSAW pipes.

Standards and Chemical Composition

LSAW pipe is manufactured in accordance with various international standards such as API 5L, ASTM A252, ASTM A53, EN10219, and EN10217. These standards specify the requirements for the chemical composition and mechanical properties of the pipe.

The chemical composition of LSAW pipe typically includes carbon, manganese, silicon, sulfur, and phosphorus. The maximum limits for these elements are specified in the standards to ensure the quality and consistency of the pipe. For example, according to API 5L, the maximum carbon content in LSAW pipe is 0.28%, while the maximum manganese content is 1.20%.

Mechanical Properties

LSAW pipe is known for its excellent mechanical properties such as high tensile strength, impact resistance, and toughness. The mechanical properties of the pipe are also specified in the standards. For example, according to API 5L, the minimum yield strength of LSAW pipe is 245 MPa, while the minimum tensile strength is 415 MPa.

Applications and Advantages

LSAW pipe is widely used in various industries such as oil and gas, water supply, construction, and transportation. It is particularly suitable for applications that require high strength and durability, such as pipelines, piling, and structural support.

One of the main advantages of LSAW pipe is its ability to withstand high pressure and stress. It is also resistant to corrosion and can withstand harsh environmental conditions. Additionally, LSAW pipe is easy to fabricate and install, making it a cost-effective choice for many applications.

In summary, LSAW pipe is a popular type of steel pipe that offers excellent mechanical properties, chemical composition, and durability. It is widely used in various industries and applications due to its strength, resistance to corrosion, and cost-effectiveness. By following international standards, manufacturers can ensure the quality and consistency of LSAW pipe, making it a reliable choice for many projects.


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