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Quick Details

  • Standard: ASTM, BS, GB, JIS, ASTM,JIS,GB,BS
  • Standard2: ANSI A213-2001, ASTM A252-1998, ASTM A53-2007, BS 1387, BS EN10296, GB/T 9711.2-1999, GB/T9711, JIS G3461-2005, JIS G3466
  • Grade Group: 10#-45#, Q195-Q345, ST35-ST52
  • Grade: 20#, 45#, Q195, Q215, Q345, St37, St37-2, St52, Q195-345
  • Thickness: 0.5 - 20 mm
  • Section Shape: Square
  • Outer Diameter: 20x30MM-800x1000MM/20x20MM-600x...
  • Place of Origin: Tianjin, China (Mainland)
  • Secondary Or Not: Non-secondary
  • Application: Boiler Pipe
  • Technique: ERW, ERW and Hot Rolled
  • Certification: CE
  • Surface Treatment: Galvanized
  • Special Pipe: EMT Pipe
  • Alloy Or Not: Non-alloy
  • Surface: Bared Or Black Painted, Galvanized Or With Oiled Or Client Option
  • package: bundles with PVC package
  • origin: China
  • brand: Zhongtong pipe
  • product: galvanized steel pipe
  • MIQ: 5ton each size
  • delivery time: within 20days

Packaging & Delivery

Packaging Details Seaworthy.
Package:Bags, Bundle, In Bulk, Containers Or With Other Clients' Requirements
Delivery Time Within 20-25 days after the prepayment.


Product Description


Q235 Galvanized Square Steel Pipe Square tube Rectangular tube

Standard: BS, JIS, GB, DIN, ASTM, APIStandard: BS 1387, BS 1139, BS EN 10297, JIS G3...Grade: 10#-45#, Mo, 16Mn, A53-A369, ST35-ST52, ...
Grade: 10#, 20#, 45#, 15Mo3, 16Mo, 16mo3, 16Mn,...Thickness: 0.8-12mmSection Shape: Square
Outer Diameter: 15*15-400*400Place of Origin: Tianjin China (Mainland)Secondary Or Not: Non-secondary
Application: Structure PipeTechnique: Hot RolledCertification: ISO and BV
Surface Treatment: oil oir paintingSpecial Pipe: EMT PipeAlloy Or Not: Non-alloy
Dimensions: 15*15-400*400Thickness: 0.6-10mmLenght: 0.305-12m
Process Method: cold deawn/ High frequency weld...Steel grade: Q195,Q215,Q235,Fe310,Fe360,St33,St...Manufactured to meet: ISO9001,ASTM,DIN,BS,GB
Application: Wedely used in construction struct...Packing: in square bundleSurface: oil or painting or black
Minimun order:: 25 tons
Packaging & Delivery
Packaging Detail:in square bundle or as custome's requirement
Delivery Detail:15 days after order or as the quantity

galvanized square steel pipe
1.O.D.of galvanized square steel pipe: 1/2"x1/2"-16"x16''
2.W.T.of galvanized steel pipe:0.6-10mm


Packaging & Shipping





Our Services


2.Addtion of galvanized Square steel pipe

1)Special design is available acording to requiremenyt.

2)Anti-corrision and high-tempeterure resistant with black painting.

3)All the production process are made under ISO9001:2000 strictly.



Commodity name

galvanized Square steel pipe

Production technique

high-frequency welded galvanized









Surface finish

oil or painting

Quality grade 

First grade

Tolerence of outer diameter



Packed in bundle, wrapped with steel strips,or as per clients requirements


Construction, bridge, highway, windows of model steel door, building materials, fence, heating facilities etc.


 special design available according to your requirement


Company Information



Our company has advanced technology and a talented team. We comply with ISO9001:2000 Quality Management System in the process of producing high-quality products and providing the basic guarantee. In our company, integrating industry is our management mode. As a result, we can provide the lowest price of the steel product. And our company is located in the nation's largest welded pipe production base.


Any questions, please contact with me.





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China (Mainland)
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