Black annealed pipe

Product Description

Black annealed pipe is the most common cold-rolled steel pipe that is heated to annealing temperature. The surface color turns black due to high temperature exposure to air, the surface has not been brightened, so it is black.

The physical properties become softer, making it easier to weld into steel pipes. The common hardness is 57HRB, which can also be reduced to different hardnesses as needed. The annealed pipe is a treated A3 material pipe in order not to rust.

Bebon Steel Pipe can produce round pipes, square pipes, and special-shaped pipes of various commonly used materials and models according to requirements.

Check the common model size: round tube, square tube, shaped tube, welcome industry manufacturers to inspect and customize various specifications of black annealed pipe.

Product Attribute

Product type: Round tube, Square tube, Special-shaped tube

Steel pipe specifications: various round pipes, oval pipes, square pipes, flat square pipes and various special-shaped pipes

Steel pipe wall thickness: various round pipes, oval pipes, square pipes, flat square pipes and various special-shaped pipe sizes and specifications

Commonly used materials: 10#, 20#, 35#, 45#, 16Mn, 27SiMn3, 27SiMn, Cr5Mo2, Q235, Q345

Application areas: Simple furniture, strollers, storage racks, agricultural greenhouses, amusement equipment, fitness equipment

Supply type: ready stock, if there are special needs and requirements, it can be customized according to the demand

Service Characteristics

Fast Production

Fast production and processing, short customization cycle, saving you time and money.

Fast Logistics

Sound logistics distribution system, convenient transportation, ensure delivery time.

After-sales Guarantee

Fast delivery time, professional after-sales service let you rest assured.

Customer Service 24 hours online

Professional customer service team to provide you with 24 hours of intimate service.