The surface treatment for the Welded Structural Carbon Steel Pipe A53 Gr.B:
1. Bare tube
2. Black painting
3. Varnish painting
5. Hot galvanized or other coating according to your requirements
The pursue of the business, is definitely the clients' gratification for API 5L HFW/ERW Black Varnished Steel Pipes ASTM A53 /ASTM A106 GR.B. Utilizing advanced production equipment and strict technological process, all aspects of our products' performance meet or exceed the corresponding standards. Our company insists on increasing investment in scientific research and improving the technical content of products through independent innovation.