We have now a hugely efficient team to deal with inquiries from buyers. Our goal is “100% client gratification by our solution high-quality, rate & our team service” and take pleasure in a great popularity among clients. With several factories, we will provide a wide assortment of High Quality Black Steel Pipe Welded Square Steel Tube Manufacturer, Let’s cooperate hand in hand to jointly generate a beautiful foreseeable future. We sincerely welcome you to visit our corporation or call us for cooperation!
We have now a hugely efficient team to deal with inquiries from buyers. Our goal is “100% client gratification by our solution high-quality, rate & our team service” and take pleasure in a great popularity among clients. With several factories, we will provide a wide assortment of black steel pipe square, black steel welded pipe, We rely on high-quality materials, perfect design, excellent customer service and the competitive price to win the trust of many customers at home and abroad. 95%products are exported to overseas markets.
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 have now a hugely efficient team to deal with inquiries from buyers. Our goal is “100% client gratification by our solution high-quality, rate & our team service” and take pleasure in a great popularity among clients. With several factories, we will provide a wide assortment of High Quality Black Steel Pipe Welded Square Steel Tube Manufacturer, Let’s cooperate hand in hand to jointly generate a beautiful foreseeable future. We sincerely welcome you to visit our corporation or call us for cooperation!
High Quality China black steel pipe square, black steel welded pipe, We rely on high-quality materials, perfect design, excellent customer service and the competitive price to win the trust of many customers at home and abroad. 95%products are exported to overseas markets.
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.