Home / News / Product News / Galvanizing Requirements for Seamless Steel Pipes

Galvanizing Requirements for Seamless Steel Pipes

Views: 1     Author: Site Editor     Publish Time: 2024-01-09      Origin: Site

1. Zinc coating thickness: The thickness of the zinc coating on the surface of the seamless steel pipe shall meet the requirements specified in the relevant standards, such as GB/T 24186-2009《Seamless Steel Pipe for Fluid Transportation》. The general requirement is that the minimum zinc coating thickness shall be 60-80 micrometers.

2. Coating uniformity: The coating should be uniform in color and thickness, without significant fluctuations or patches.

3. Adhesion: The zinc coating should have good adhesion to the base material, and no peeling or flaking should be observed during the inspection.

4. Surface cleanliness: The surface of the galvanized seamless steel pipe should be clean and free of oil, dust, and other foreign matter.

5. Mechanical properties: The galvanized layer should have sufficient mechanical strength to withstand the expected service conditions.

6. Corrosion resistance: The galvanized seamless steel pipe should exhibit good corrosion resistance in the intended application.

7. Inspection and testing: The galvanizing process should be subject to regular inspection and testing to ensure compliance with the specified requirements.

8. Storage and handling: The galvanized seamless steel pipes should be stored and handled properly to prevent damage to the galvanizing layer.

9. Chemical composition: The steel pipe used for galvanizing should have a suitable chemical composition to ensure the quality of the galvanized layer.

10. Certification: Relevant product certification, such as ISO 9001, should be obtained to ensure the quality of the galvanized seamless steel pipes.


Providing professional one-stop procurement service for customers with excellent quality, competitive price, convenient transportation, and timely delivery.
  22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC:410116
  0086-0731-8873-9521                                             


Quick Links

Contact Us
About Us
Copyright © 2020 Threeway Steel Co.,Ltd. All rights reserved.