Our eternal pursuits are the attitude of “regard the market, regard the custom, regard the science” plus the theory of “quality the basic, have faith in the main and management the advanced” for Cheap Price Black Annealed Square Steel Pipe ERW Welded STK 41 Carbon Steel Tube, Top quality and competitive rates make our products and solutions appreciate a higher name all around the word.
Our eternal pursuits are the attitude of “regard the market, regard the custom, regard the science” plus the theory of “quality the basic, have faith in the main and management the advanced” for black square steel pipe, black steel pipe stk 41, Really should any of these items be of interest to you, please let us know. We will be pleased to give you a quotation upon receipt of one’s detailed specifications. We’ve our personal specialist R&D enginners to meet any of the requriements, We look forward to receiving your enquires soon and hope to have the chance to work together with you inside the future. Welcome to take a look at our organization.

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

Our eternal pursuits are the attitude of “regard the market, regard the custom, regard the science” plus the theory of “quality the basic, have faith in the main and management the advanced” for Leading Manufacturer for Cheap Price Black Annealed Square Steel Pipe ERW Welded STK 41 Carbon Steel Tube, Top quality and competitive rates make our products and solutions appreciate a higher name all around the word.
Leading Manufacturer for China black square steel pipe, black steel pipe stk 41, Really should any of these items be of interest to you, please let us know. We will be pleased to give you a quotation upon receipt of one’s detailed specifications. We’ve our personal specialist R&D enginners to meet any of the requriements, We look forward to receiving your enquires soon and hope to have the chance to work together with you inside the future. Welcome to take a look at our organization.