Black Annealed Pipe
- [Product types]： Small-Diameter Round Pipe Square Steel Pipe Special-shaped Steel Pipe
- [Pipe specification]：Various kinds of circular, elliptical, square, flat and various special-shaped pipes.
- [Pipe wall thickness]：Dimensions and Specifications of Circular Pipe, Elliptic Pipe, Square Pipe, Flat Square Pipe and Various Special-shaped Pipes
- [Typical material grades]：10#、20#、35#、45#、16Mn、27SiMn3、27SiMn、Cr5Mo2、Q235、Q345
- [Application]： Simple furniture, Stroller, Storage Rack, Agricultural Greenhouse, Amusement Equipment, Fitness Equipment,
- [Product Supply]：Stock or Customize steel pipe products according to with customer’s requirements.
- 24-hour Free Hotline
+86-374-8131868 Chat Online Leave a Message
Black Annealed Pipe Common Specification
Black annealed pipe is one of the most common cold-rolled steel pipes heated to annealing temperature. The surface color is black because of high temperature contact with air, and the surface is not brightened.
The physical properties become soft, which is convenient for further welding into steel pipe. The common hardness of black annealed pipe is 57HRB, can also be retreated to different hardness according to need. Black annealed pipe is a treated A3 material pipe, to avoid rust.
Bebon steel pipe can be manufactured according to the requirements of various commonly used materials and models of round pipe, square pipe, special-shaped pipe. Click to check the common size of various pipes: round pipe, square pipe, special-shaped pipe. Welcome manufacturers from all walks of life to inspect and customize various specifications of black annealed pipe.
Our Advantages
Quality commitment, Reasonable price, Can be customized according to customer demand processing- Advanced Equipment
- We have our own workshop, advanced equipment and experienced workers.
- Precision Machining
- Employees have many years of industry experience, product processing accuracy is high.
- Durable
- BBN steel pipe has stable performance, reliable quality and durability.
- Direct Deal
- Factory production, new material smelting and processing, processing layer by layer check.
- Delivery Speed
- Stock delivery within 24 hours, The exchanged delivery on the second day.
- Large Stock
- BBN Steel Pipe has large stock, complete specifications and various grades, which can guarantee timely supply.
- Quality Assurance
- Strict control of product production and inspection links to ensure the quality of steel pipes.
- Processing Customization
- Our employees have many years of industry experience, can meet the accuracy of different sizes of processing.
- After-sale Service
- Actively solve after-sales, responsible for each order. Free return or exchange for any quality problems.
Service Characteristics
Sincere, intimate, professional service, let you worry- free about after-sales.Efficient Production
Efficient production and processing, short customization cycle, save time and money for you.
Fast Logistics
Perfect logistics distribution system, convenient and fast transportation, ensure delivery time.
After-sales Guarantee
Fast delivery time, professional after-sales service to reassure you
24 Hours Online Customer Service
Professional customer service team to provide you with 24 hours of intimate service.
Project
Contact Us
Welcome to leave a message if you are interested in our small-diameter pipes. Our sales will response you as soon as possible.
Henan BBN Metal Products Technology Co., Ltd. Phone：+86-13373906593
Tel：+86-374-8131868
E-mail：info@bbnchina.com
Add：Yuzhou City, Henan Province (turn right 500 meters of Yuzhou South Export of Zheng-Luan Expressway)