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Quick Details

  • Standard: API, ASTM, BS, DIN, GB, JIS, API 5L, ASTM A106-2006, ASTM A53-2007, BS 1387, BS 4568, BS EN 39, DIN EN 10025, GB/T 13793-1992, GB/T 3091-2001, JIS G3444-2006
  • Grade: Q195-Q345, Q215, Q235, Q345
  • Thickness: 0.6 - 16 mm
  • Section Shape: Round
  • Outer Diameter: 20 - 406 mm
  • Place of Origin: Tianjin, China (Mainland)
  • Secondary Or Not: Non-secondary
  • Application: Oil Pipe
  • Technique: ERW
  • Certification: API
  • Surface Treatment: Galvanized
  • Special Pipe: Thick Wall Pipe, Thick Wall Pipe
  • Alloy Or Not: Non-alloy
  • Ends: Paint,Thread Or Beveled Thread+Couplings
  • Zinc Coated: Can Be 30~800g/m2 According to Different Technique
  • Main Usage: Water or Gas Pipe/Steel Conduits/Scaffording,etc
  • Length: Any Length Below 16 Meter
  • Inspection: With Hydraulic Testing, Eddy Current, Infrared Test
  • Type: ERW Welded/Seamless Or Shaped/Round
  • Main Material: Q235 S235 SS400 Grade D,etc
  • Keyword: galvanized steel pipe
  • Similar Products: square rectangular galvanized steel pipe

Packaging & Delivery

Packaging Details Small Pipes In Bundle,Can Provide Standard Sea Worthy Package, Large Pipe In Bulk, Usually Loaded In 20GP and 40HQ Containers, Large Quantity Can Use Bulk Vessel.
Delivery Time Shipped in 25 days after payment
Product Description

Quick shipping erw carbon pipe black hollow section steel tube cold drawn

Product Name

Square  Steel Pipe



20~3020mm In Theory




Any Length Below 16 Meter




Grade B,X42,X46,X52,X56,X60,X65,X70,etc


PSL-1 Class IS 100% Qualified To Petroleum And Gas Industry,

PSL-2 Can Be Used In Refinery And Chemical Plant


Plain, Beveled, Or Weld With Flanges

Plastic Caps And Steel Rings Can Be Provided If Possible


Bared, Galvanized, Oiled, Color Paint, 3PE; Or Other Anti-corrosive Treatment


With Chemical Composition and Mechanical Properties Analysis; Hydrostatic Test, Dimensional and Visual Inspection, Also With Nondestructive Inspection


Hot Rolled Or Cold Rolled  ERW


Hexagon Shape Package, Covered With Tarpaulin Or Plastic, Containers Or In Bulk

Date of Delivery

According to The Specifications And the Quantities Of Each Contract,

Time Start To Begin When We confirm the Date of the Earnest or L/C

Method of Payment

T/T    L/C   West Union

Method Of Delivery

Terms According To the <INCOTERMS 2000> for International Trading,




  Details Showing


Packaging & Shipping

 Standard Sea Worthy Package For Ant-Rust During The Delivery

 Our Services

Our Services
 Quality Control & BV Test







Packing:    1) only in bundles by steel scrips        2) in bundles and in plastic wrap            3) in bulk

                  4) conform to client' s requirements

Loading port: Tianjin,China.

Shipment:usual length ≤5.8m by 20'GP,6m-12m by 40'GP(some sizes with 6m L can be into 20'GP).


Company Information


Company Profile


We are manufacturer and professional supplier in all kinds of steel pipe in Tianjin Daqiuzhuang mre than 14 years and 8 years Gold Supplier on Alibaba. And also we have good business relationship with customers from India, Philippines, Maldives, Canada, etc.





Business Partners and Our Team



 Q1:How about thequality?

  A:Third party inspections are always welcomed. Like BV, SGS etc.

Q2: How long is the delivery time?

  A: Generally about 5-10 days if the goods in stock. Or will be 15-20 days if the goods are not in stock. And also according to the quantity.

Q3:Do you provide samples? Free or not?

  A: Yes, we could offer the sample for free but do not pay the cost of freight.


Q4:May I customize the steel pipe?

  A:Sure you can, we can produce according to your requirement, you can send the CAD or

design drawing.

Q5:Any value-added Services?

  A:Fottunately for you,we are very experience in this industry. We have equipped our warehouse with the necessities to perform in-house painting,coating,pipe cutting, etc.

Q6: How about the trade terms?

  A: EXW, FOB, CFR, CIF, LC will be accepted. 


Contact Us


If you are interested in our Steel Pipe ( Black  steel pipe/ Galvanzied steel pipe/Spiral steel pipe/Square or rectangular steel pipe and Galvanized ones ) , please feel free to contact us. Your any request will get prompt reply .
 We are looking forward to cooperating with you.


Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

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Transaction Value
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Trade Assurance
China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
11 Transactions 240,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $210,000
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