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Quick Details

  • Standard: BS, DIN, JIS
  • Standard2: BS 1139, BS EN10025, DIN EN 10025, JIS G3101
  • Grade Group: 16Mn, Q195-Q345, ST35-ST52
  • Grade: 16Mn, Q195, Q235, Q345, St37, St37-2
  • Thickness: 0.7 - 25 mm
  • Section Shape: Spare,Round,Rectangular
  • Place of Origin: Shanghai, China (Mainland)
  • Secondary Or Not: Non-secondary
  • Application: Structure Pipe
  • Technique: Hot Rolled
  • Certification: ISO/SGS
  • Surface Treatment: Galvanized,Coating or as your request
  • Special Pipe: Thick Wall Pipe
  • Alloy Or Not: Non-alloy
  • Product Name: Hot rolled carbon steel pipe square hollow pipe steel
  • Product type: pipe steel
  • strength of extension: A36/420MPa S355JR/485MPa
  • elongation: A36/26min S355JR/26min
  • carbon content: A36/C(0.12-0.20)% S355JR/C(0.12-0.20)%
  • manganese content: A36/Mn(0.45)% S355JR/Mn(1.35)%
  • silicon content: A36/Si(≥0.19)% S355JR/Si(≥0.002)%
  • phosphorus content: A36/P(0.03)% S355JR/P(0.012)%
  • sulphur content: A36/S(0.02)% S355JR/S(0.013)%
  • breed classify: semi-killed steel or killed steel

Packaging & Delivery

Packaging Details pipe steel packaging:
1. It can pack by container or bulk vessel.
2. 20ft container can load 25 tons, 40ft container can load 26 tons.
3.Standard export seaworthy package, it use wire rod with bundle according product's size.
4.We can make it as your requirement.
Delivery Time 3-15 working days after received the deposit or L/C.

Product Details                                                                                                                                               

Prime steel grade astm a36 rectangular tube in China 
Wall thickness (W.T.) 
1m-12m ,by customer’s requirements
ISO 9001-2008 








GB/T3091-2001,GB/T13793-92, GB/T6728-2002/ ISO630/E235B/


JIS G3101/JIS G3131/JIS G3106/











Product Category 
Metallurgy,Mineral &Energy 


1.Big OD:in bulk vessel
2.Small OD:packed by steel strips in container vessel
3.woven cloth with 7 slats
4.According to the requirements of customers
Mechanical&manufacture,Steel strcuture,

  Shipbuilding,Bridging,Automobile chassis 

Main market

Middle East,Africa, Asia and some Uropean country and America ,


Country of origin




 15000 Metric Tons pet Month 


Payment terms :T/T ,L/C
Terms of trade :FOB ,CFR,CIF ,DDP,EXW
Minimum order : 10 tons
Lead time :on or before  3-15 working days . 


Company information


We, ShunYun Industrial located in PuTuo district,ShangHai city China. 
Our products are sold to all over the country and exported to more 
than 50 countries such as the EU,theUnitedStates,Australia,Southest,
Asia,the Middle East,etc.

We shall a good -will of credit quality and prompt delivery

and hold the belief of "quality for improvement ,credit for developments and customer first".So that can offer clients advanced products and satisfied service.

We sincerely would like to set up business relationship with clients

from all over the world in long term business. We view credibility as life.



ShunYun shipping mark or your company logo

 Another Name

 square steel pipe, square steel tube

 Surface processing

  you can Galvanized,coated,or as your request 


  Shanghai Shunyun Industrial  

you Can    

  Customized Sizes


Contact information


TEL: +86-021-62153163      FAX: +86-021-62152536


                              Hot rolled carbon steel pipe square hollow pipe steel 

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China (Mainland) | Trading Company
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