China mild structural erw round black steel tube pipe hollow section

$550.00 - $750.00
Min. Order
2 Metric Tons
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Company Information

Five Steel (Tianjin) Tech Co., Ltd.

CN Trading Company
Response Time
Response Rate:
US$ 30,000+
3 Years Paid Supplier Supplier Trade Assurance
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Quick Details

Port: Xingang, Tianjin, China
Payment Terms: L/C,T/T,Western Union,O/A
Supply Ability: 75000 Metric Ton/Metric Tons per Month
Secondary Or Not: Non-secondary
Grade Group: 16Mn,A53-A369,Q195-Q345,ST35-ST52
Place of Origin: Tianjin China
Keyword: round hollow section
Outer Diameter(Round): 16 - 355.6 mm
Tolerance: ±5%
Grade: 16Mn,A53(A,B),Q235,Q345,Q195,Q215,St37,St52
Standard2: API 5CT,API 5L,ASTM A513-2007,BS 1387,BS 1139,BS EN10025,BS 4568,BS EN 39,BS 31,BS EN10219,DIN 2444,DIN EN 10025,GB/T 3091-2001,JIS G3444-2006
Certification: ISO
Section Shape: Round
Thickness: 1 - 14 mm
Type: Welded Steel Pipe
Alloy Or Not: Non-alloy
Product name: China mild structural erw round black steel tube pipe hollow section
Special Pipe: Thick Wall Pipe
Surface Treatment: oil,varnish,galvanized,bare
Technique: ERW
Application: Structure Pipe

China mild structural erw round black steel tube pipe hollow section


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 Product Name:

  China mild structural erw round black steel tube hollow section


  OD  (mm)



  Wall Thickness (mm)



  Steel material

 Q195,Q235,Q345,Gr A,Gr B and so on


BS1387, EN10219,ASTM A53 and so on

  Section shape



  ERW Pipe


  5.8M, 6M, 11.8M, 12M or customized length

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pre galvanized steel pipe

black steel pipe


FIVE STEEL (TIANJIN) TECH CO., LTD is located in Daqiuzhuang, Tianjin, which is the biggest welded pipe production base in the world.After years of hard work, we have formed a diversified investment pattern of development, and in accordance with the requirements of new industrialization, we have given full play to their own advantages to achieve the scale, structure, quality and efficiency overall promotion.

We have made investment for some steel pipe manufacturers and agricultural greenhouse factory.We are specialized in selling galvanized steel pipe,hot rolled steel pipe, greenhouse and so on.After several years of development, We have bulid a long partnership. 


Cooperated with customers from more than 70 countries in the world,like Canada, Australia, Singapore, Thailand, Korea, Vietnam, Mexico,Chile, Peru, New Zealand and so on. The annual output is 0.70 million tons.


1. Q: Are you a factory or a trading company?

A: We not only have our own factories but also have shares in some other enterprises.

2. Q: Can you provide samples?

A: Yes, if the sample is available in stock.

3. Q: Can you arrange the shipment?

A: Sure, we have permanent freight forwarder who can gain the best price from most ship company and offer professional service.

4. Q: What is the delivery time?

A: It is based on the order, normally 15 - 20 days after receiving the deposit or L/C at sight.

5. Q: Do you have quality control?

A: Yes, we have gained BVSGS authentication.

6. Q: What are your payment terms?

A: 100% irrevocable L/C at sight. Or T/T, 30% advance, and balance against the copy of B/L within 3-5 days.

7.Q: What is your MOQ?

A: 10 tons  for common size, or mix sizes for a 20 GP container.

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