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Liaocheng Xinglong Seamless Tube Manufacturing Co., Ltd.
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Home > Products > Cold drawn carbon seamless steel pipe > API st44 st52 Gr.B seamless steel TUBE
  • API st44 st52 Gr.B seamless steel TUBE
  • API st44 st52 Gr.B seamless steel TUBE
  • API st44 st52 Gr.B seamless steel TUBE
  • API st44 st52 Gr.B seamless steel TUBE
  • API st44 st52 Gr.B seamless steel TUBE

API st44 st52 Gr.B seamless steel TUBE

Payment Type:
L/C,T/T,D/P,Paypal,Money Gram
Min. Order:
10 Ton
Delivery Time:
20 Days
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  • Product Description
Product Attributes

Model No.XL-ASTM

Brandxinglong ZGL

Supply Ability & Additional Informations

Packagingbundling or according requirement

Productivity400,000 tons per year


Place of OriginShandong, China

Supply Ability400000ton/year

CertificateISO API

HS Code7304291000


Payment TypeL/C,T/T,D/P,Paypal,Money Gram


Delivery Time20 Days

Packaging & Delivery
Selling Units:
Package Type:
bundling or according requirement

Company profile:

Liaocheng Xinglong Seamless Pipe Manufacturing Co., Ltd is founded in 2004, Covering an area of 15000 square meter. And the total asset is above 250 million Yuan. There are 850 staff members including 180 technicians in our company. Annual output is 60,000 tons. We also establish an effective complete quality control system . In 2006, our company obtained the authorization of ISO9001 Quality System. And it started to run in accordance with API 5L and API 5CT in 2009.

Liaocheng Xinglong Seamless pipe Manufacturing C0., Ltd. has equipped 60, 90, 140,325ASSEL mill lines. Production specification covers 20mm-710mm*2mm-100mm. The full capacity is above 600 thousand tons. The 325ASSEL tube rolling mill the domestic largest 3-roller mil at present. Adopting world advanced 3-roller tube rolling mill with quick-start roller and Grade-3 computer automatic control system, it ensures production precision efficiently, gets high reputation among experts i steel tube industry and ills the domestic gap greatly.

There are over 60,000 tons stock products, running specifications more than 3,000 kinds. Our production range: Outer Diameter: 20mm-710mm, Wall Thickness :2mm-100mm. The materials of the products are as follows:

10#,20# ,35#, 45#, 16Mn,27SiMn, ST44 ,ST52, x42, x52,15CrMo, 30CrMo,34CrMo4, 12Cr1MoV, J55, K55, N80, L80, P110 etc. Standards: Gb8162-2008, Gb8163-2008, Gb3087-2008, Gb5310-1995, Gb6479-2000,ASTM A53, ASTM A106, API 5L ,API 5CT , DIN , JIS etc.

Our company has equipped with sophisticated manufacturing and testing equipment.

We has its own R&D team who has developed the intellectual property rights for key technologies and launched a big amount series new products. The R&D department has combined with several research Institutes and Colleges, and engaged Senior Researcher of Steel Pipe Industry as consultants. At the same time the Quality Inspection Department of our factory cooperated with the Liaocheng Quality Inspection Bureau to sharing the resource of talents, testing equipment and Technology.

And Our Quality Inspection Department has the kinds of the development expriments and inspection equipment such as Hydraulic universal tester, Optical Spectrometer, High and Low-Power microscope, Sample making machine, Metallographic AnalysisProjector and Infrared temperature etc.

The synthetic Science Building integrated with Research, Technology Innovation and Quality supervision has been built up and put into use. With the word-class experiment equipment, strong R&D team and abundant technology.

These equipment and technologies guarantee that the production and testing processes are up to relevant standards. So the products can satisfy the requirements of clients doubtlessly.

Our products far exported to Korea, Indian , Malaysia, Canada, Iran, Brazil, Pakistan, Turkey and the other Middle east countries. Our products are widely used in Petroleum, chemical industry, Electrical Power, Coal, Machinery, Low and high -pressure boiler, hydraulic prop and so on..

Adhering to the operation principle of Faith First, Clients Uppermost, high -quality products and complete after-sale service with the lowest price will be supplied as we always do. We sincerely hope to establish long -term cooperation relationship with you on the basis of mutual benefit, reciprocity and common development。

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Mob/wechat/whatsApp: 0086-13310620626
skype: lxpipe08_1

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Product Categories : Cold drawn carbon seamless steel pipe

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