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Hot Rolled Seamless Steel Pipe ASTM A500

  • Hot Rolled Seamless Steel Pipe ASTM A500
  • Hot Rolled Seamless Steel Pipe ASTM A500
  • Hot Rolled Seamless Steel Pipe ASTM A500
  • Hot Rolled Seamless Steel Pipe ASTM A500

Hot Rolled Seamless Steel Pipe ASTM A500

    Packaging: Hot Rolled Seamless Steel Pipe 1.In bundles 2.Standard export packing 3. According to customer\'s requirements.
    Place of Origin: Shandong, China (Mainland)

Product Description

Hot Rolled Seamless Steel Pipe ASTM A500


Seamless Steel Pipe 



1.Company Introduction


     Jinan Xin Jiyuan Special Section Co.,LTD locates in Jinan where is the capital of Shan Dong province. Our company established in 1997. We have 16 years’ experience in producing Square Pipe and rectangular pipe. In order to expand our company, we invest RMB 16 million to build our new factory in 2011. Our production lines can manufacture all sizes of pipes according customers’ requirements.


2. Technical requirements:


1). Chemical Composition:


Yield Strength Grade

Demotic Raw-material Grade


Q235B, Q235C, Q235D, Q235qC, Q235qD


Q345A, Q345B,Q345C,Q345D,Q345Qc, Q345Qd, StE355, B480GNQR

Carbon Equivalent

Ceq(%)=C+Mn/6+Si/24 +Ni/40+Cr/5+Mo/4+V/14

Ⅰgrade product Ceq(%)

Yield Strength Grade








Note: In order to improve the performance of steel,390 could add the microelement such as V, Nb, Ti, Mo and N etc.


2). Mechanical Property:


Yield Strength Grade



Yield Strength


Tensile Strength (Mpa)



(20°C) Impact Value J




















3). ⅠGrade Product Yield Strength:


Yield Strength Grade

Outside perimeter (mm)

Wall Thickness


Yield Strength %

Directly to Square

Round to Square










Note: when the outer perimeter less than 800mm,can be determined by supply and buyer


3. Manufacturing Process:


1).Directly into Square: make continuous angle deformation of cold-rolled or hot-rolled steel plate directly, and then by high frequency welding form a rectangular Steel Tube forming method. Also known as square-square method.


2). Round to square: make continuous angle deformation of cold-rolled or hot-rolled steel plate directly, and then by high frequency welding form a round steel tube forming method, though the reshaping finally form a rectangular steel tube forming method. Also known as round to square method.


 4.Why choose our company?


1.High quality pipe with reasonable price.

2.Advanced test equipments and professional inspection measures to guarantee our quality.

3.Our products are widely used in construction, water supply and other fields.

4.The after-sale service is good, customers can buy our products without any worries.

5.We can produce different kinds of pipes according to customers’ requirements.

6.We have exported our products to many foreign countries. Our products are popular among these countries.

7.Professional staff can save your time and money




If you are interested in our products, you can contact me. I will try my best to help you find products that you want.



Victoria Liu


jnxinjiyuan2 at

Mobile Phone











7.Professional Inspection





 Hot Rolled Seamless Steel Pipe ASTM A500

Contact Information

     Feel free to contact me if you have any questions.






If you want to know more about our products, you can click website of our company!

We will try my best to help you find products that you want.





Thank you for browsing our products.


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Jinan Xin Jiyuan Special Section Tube Co., Ltd is the holding company of Jinan Xin Fangyuan Special Steel Tube Co., Ltd founded in 1997. Our company located in Dawei Industrial park, north end of Second Ring Road, Jinan City, closed to Beijing-Shanghai expressway exit, transportation is very convenient, and also has a good production and operation environment. Our company focuses on the usage, development and research of square and rectangular tubes over the passed 20 years. At the same time we also pay attention to create platform and promotion for Square Tube, Rectangular Tube and other special tubes. All these make us stronger and more popularity in this area. As a result of our efforts, finally make the products specification, size and material extending.

Our company upholds the business philosophy of [ Because of Single-minded, so professional", and try our best to make our company into the most complete specifications and most verities basic in China. Make truth of [Buy square tubes do not need travel, Xin Jiyuan could serve you all" one- stop buy neat business objectives. Our company purchased three production lines at the cost of over 16 million for expansion of the new factory; they have been gradually put into operation. These production lines make full-sizes of square tubes and rectangular tubes: 20x20 -600x600 square tubes, 20x30 - 400x800 rectangular tubes, Thickness: 1.5mm -32.0mm, over 2800 kinds of specifications, Material: Q195, Q215, Q235, Q275, Q345, 20#, 45#, stainless steel, seamless pipe, alloy steel etc. We could produce diamond, triangular, pentagonal, hexagonal, fan etc. special sizes, also could tailor-made according to customer`s drawings and dimensions. Our products of large-diameter, thick-walled square or rectangular tubes fill the blank of domestic and abroad market.
Our products are widely used in large scale steel structure engineering, machinery manufacturing, shipbuilding, bridges, construction industry, metallurgical industry, automotive industry, railways, highways, aviation, container, furniture, decoration and many industries. The company regards product quality as the lifeblood of the enterprise, uses personality make products, guarantee quality of products strictly. We have passed ISO9001:2008 quality management system certification and our goods have passed Europe Union EN10210-1:2006, 10219-1:2006 CE certification in 2012. Company resort more variety, large inventory, high quality, low price, short delivery time and good after-sales service, and many other competitive advantages, to become designated supplier of many large enterprises. Customers throughout our country in more than 20 provinces and cities and exported to the United States, Canada, Russia, India, Malaysia, Europe and other countries and regions.
Our chairman and general manager Changxing Hu, heartfelt thanks friends from all walks of life for many years trust and support, all staff of Xin Jiyuan will serve you as usual, and common development, win-win cooperation, good faith together with you. Let`s create brilliant tomorrow!

Company Info

  • Representative: Xu Miao
  • Product/Service: Shs And Rhs , Steel Hollow Section , Square Steel Pipe , Construction Steel Pipe , Steel Profile , Galvanized Steel Pipe
  • Capital (Million US $): 3000000RMB
  • Year Established: 2005
  • Total Annual Sales Volume (Million US $): US$50 Million - US$100 Million
  • Export Percentage: 21% - 30%
  • Total Annual Purchase Volume (Million US $): Above US$100 Million
  • No. of Production Lines: 2
  • No. of R&D Staff: Fewer than 5 People
  • No. of QC Staff: Fewer than 5 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 5,000-10,000 square meters
  • Factory Location: NO.8299, West of Jingshi road, Changqing District, Jinan City, China
  • Contact Person: Ms. Cathy Zhao
  • Tel: 86-531-85736315
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