We support our customers with ideal premium quality products and solutions and superior level assistance. Becoming the specialist manufacturer in this sector, now we have received rich practical experience in producing and managing for Quoted price for China Full Black Hollow Section Steel Pipe, Our merchandise are widely recognized and trusted by users and can meet up with continuously changing economic and social needs.
We support our customers with ideal premium quality products and solutions and superior level assistance. Becoming the specialist manufacturer in this sector, now we have received rich practical experience in producing and managing for 4 Inch Steel Pipe, Welded Steel Pipe, Establish long term and win-win business relationships with all our customers, share the success and enjoy the happiness of spreading our merchandise to the world together. Trust us and you will gain more. You should feel free to contact us for more information, we assure you of our best attention at all times.

1)Grade: Q195, Q215, Q235, Q345, SS400, etc.
2)Size: 10 * 10 – 500 * 500mm, as per customer’s requirement
3)Surface treatment: black
4)Length: 2m-5.8m, 6m, 12m ( We can adjust length according to your request)
5)Packing: standard sea-worthy packing
6)Service: punching, painting, galvanizing, cutting, welding, etc.

Difference Between Black Steel Pipe And Hot-Dipped Galvanized Steel Pipe
The black square steel pipe is the base metal square pipe before galvanizing. Hot dip galvanized square steel pipe is to unpack, flatten, curl and weld hot rolled steel strip into round steel pipe, and then roll the round steel pipe into a processed black square steel pipe. The black square steel pipe will be taken to the hot dip galvanizing plant for high temperature galvanizing at 1000 degrees, and the hot dip galvanized square steel pipe can only be processed if its wall thickness is above 2mm.

Square steel pipe are divided into structural square steel pipes, decorative square steel pipes, building square steel pipes and mechanical square steel pipes according to its usage. According to the wall thickness, it can be classified as super thick square steel tube, thick square steel tube and thin square steel tube.

Black steel pipe is widely used in furniture making, machinery manufacturing, construction industry, metallurgical industry, agricultural vehicles, agricultural greenhouses, automobile industry, railway, container skeleton, furniture, decoration and steel structure fields.

*We can provide direct supply services for finished products
*We can act for import customs clearance
*We are familiar with the market
*Have a good reputation

We support our customers with ideal premium quality products and solutions and superior level assistance. Becoming the specialist manufacturer in this sector, now we have received rich practical experience in producing and managing for Quoted price for China Full Black Hollow Section Steel Pipe, Our merchandise are widely recognized and trusted by users and can meet up with continuously changing economic and social needs.
Quoted price for 4 inch steel pipe, welded steel pipe, Establish long term and win-win business relationships with all our customers, share the success and enjoy the happiness of spreading our merchandise to the world together. Trust us and you will gain more. You should feel free to contact us for more information, we assure you of our best attention at all times.