Our goods are commonly recognized and reliable by consumers and may satisfy continually developing economic and social needs for Supply OEM/ODM China Welded Black Carbon Steel Pipe for Chemical Industry, We just not only deliver the superior quality to our clients, but additional even important is our greatest services plus the competitive selling price.
Our goods are commonly recognized and reliable by consumers and may satisfy continually developing economic and social needs for Square Steel Tubing, Welded Pipe, Our mission is to deliver consistently superior value to our customers and their clients. This commitment permeates everything we do, driving us to continuously develop and improve our products and solutions and the processes to fulfill your needs.
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 goods are commonly recognized and reliable by consumers and may satisfy continually developing economic and social needs for Supply OEM/ODM China Welded Black Carbon Steel Pipe for Chemical Industry, We just not only deliver the superior quality to our clients, but additional even important is our greatest services plus the competitive selling price.
Supply welded pipe, square steel tubing, Our mission is to deliver consistently superior value to our customers and their clients. This commitment permeates everything we do, driving us to continuously develop and improve our products and solutions and the processes to fulfill your needs.
As China metal materials industry leading enterprises, the national steel trade and logistics "Hundred good faith enterprise",China steel trade enterprises, "Top 100 private enterprises in Shanghai”. Shanghai Zhanzhi industry Group Co., Ltd.,(shorted to Zhanzhi Group) takes the" Integrity, Practicality, Innovation, Win-Win " as its sole operation principle, always persist in putting the customer demand in the first place.