We emphasize progress and introduce new merchandise into the market each and every year for China Black Steel Tube Welded Structure Pipe ERW Hollow Section Steel Piping, We look ahead to providing you with our solutions in the close to long term, and you’ll discover our quotation is extremely reasonable as well as quality of our solutions is quite great!
We emphasize progress and introduce new merchandise into the market each and every year for black steel tube welded structure pipe, piping black steel erw, We’ll supply much better items with diversified designs and specialist services. We sincerely welcome friends from over the world to visit our company and cooperate with us on the basis of long-term and mutual benefits.

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 emphasize progress and introduce new merchandise into the market each and every year for Popular Design for China Black Steel Tube Welded Structure Pipe ERW Hollow Section Steel Piping, We look ahead to providing you with our solutions in the close to long term, and you’ll discover our quotation is extremely reasonable as well as quality of our solutions is quite great!
Popular Design for black steel tube welded structure pipe, piping black steel erw, We’ll supply much better items with diversified designs and specialist services. We sincerely welcome friends from over the world to visit our company and cooperate with us on the basis of long-term and mutual benefits.