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Quick Details

  • Standard: GB, JIS, GB 5310-1995, GB/T 14976-2002, GB/T 3093-2002, GB/T 3094-2000, JIS G3466
  • Grade: 10#-45#, 16Mn, A53-A369, Cr-Mo alloy, Q195-Q345, 20#, 16Mn, A106(B,C), A53(A,B), 12Cr1MoV, 15CrMo, Q195, Q215, Q235, Q345
  • Thickness: 0.5 - 20 mm
  • Section Shape: Square
  • Outer Diameter: 10x10mm to 600x600mm
  • Place of Origin: Tianjin, China (Mainland)
  • Secondary Or Not: Non-secondary
  • Application: Structure Pipe
  • Technique: ERW
  • Certification: Other
  • Surface Treatment: Oiled, black painted or hot dip galvanized
  • Alloy Or Not: Non-alloy
  • Diameter: 10x10mm to 600x600mm
  • Deliver Conditions: Bulk vessel or container

Packaging & Delivery

Packaging Details: strapped with steel strips to prevent damage from transportation,wrapped by PP cloth
Delivery Detail: In about 15-30 days upon receipt of L/C or T/T

Product Description 


Product Namesquare tube 
TechniqueHot rolled strip, Electric Resistance Welding
Standard GB/T6728-2002,GB/T6725-2002, GBT3094-2000,JG 178-2005, ASTM A500 JIS G3466,EN10210
GradeQ195, Q235, Q345, S235JR, St37-2
Diameter10x10mm to 600x600mm
Length6m, 9m, 12m, or other length as request
Surface TreatmentOiled, black painted or hot dip galvanized
Packingstrapped with steel strips to prevent damage from transportation,wrapped by PP cloth,
ApplicationsStructure pipe in constructions, low-pressur fluid service,bridge,highway,windows of model steel door, fence, heating facilities etc.
Payment ItemsT/T or L/C at sight
Deliver ConditionsBulk vessel or container
Deliver TimeIn about 15-30 days upon receipt of L/C or T/T





Packaging & Shipping 


Our Services




Company Information 


1.Corporate Mission:


Devote to introducing quality products to the world, benefiting people's life. We make every effort to build a first class corporate in Chinese steel import and export line.


2.Corporate Philosophy:


Integrity, Teamwork, Professionalism and Innovation


3.Corporate Values:


Go forward together with the era, Create values together with customers, Develop together with employees



4.Other Products We Do :


l hot rolled coil


cold rolled coil


galvanized \ galvalume coil




Corrugated sheet (roof sheet, wall sheet, decking sheet )


steel pipes( galvanized, seamless, welded pipe )


profiled bars(H beam/ I beam/ Angle/ Channel/)


Steel bars and mesh


We are grateful for your trust, and willing to learn what you need.



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China (Mainland) | Trading Company
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