Limestone Quarry Plant

One of the Top 500 enterprises in China foreign trade

QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association


ASTM A53 Carbon steel pipe

 Carbon steel pipe 

Process:Hot/Cold rolled

 Product Name

 ASTM A53 Carbon steel pipe

 Outside Diameter(mm)


 Wall thickness(mm)








 Place of Origin

 Nantong China(Mainland)

 Secondary Or Not



 Europe, North America, the Middle East, Africa, Asia and other countries and regions, well received by consumers!

 Seamless theoretical weight by

 seamless calculation formula: (OD - Wall Thickness) × thickness × 0.02466 = Seamless weight per meter

 Seamless process

 eamless Steel Tube - Inspection - Skinning - Testing - Heating - perforation - Pickling - grinding - dry lubricant - welding head - cold drawn - solution treatment - acid - - pickling passivation - test - cold - to oil - the first cut - dried - in polish - outside polished - test - identification - product packaging


 Tube with hollow cross-section, a large number of channels for transporting fluids, such as the transportation of oil, natural gas, gas, water and some solid materials, pipes, etc..


 Cold rolled


  • Chinese National Standard / China National Standard / GB / T 8162
  • DIN / Deutsche Industrie Normen / DIN 1629


 Greased strapping or anointing oil packing

Galvanized steel pipe|
Oil pipeline |
Welded steel Pipe
Casing Pipe |


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