Annealed Steel Pipe

Company profile

 

TIANJIN BO YI DA IMPORT AND EXPORT CO.,LTD is a modern production and exporting enterprise funded in 2014 with rich-full exporting experiences.

Our Product: ROOFING, BLACK PIPE, GALVANIZED PIPE, HOLLOW SECTION, GALVANIZED WIRE, STEEL COIL, etc have been exported to Africa: West Africa, East Africa, South east Asia: Philippines, Vietnam, Singapore, South America etc. Products are widely used in building and constructions.

We firmly believe in "Quality first, Service first" and to add value to our corporation. Looking forward win win business with global customers!

 

why choose our products

 

Annealed steel pipe is defined as the heating of a steel product to a suitable temperature known as the austenite phase. Once the steel section has reached this temperature it is then cooled down slowly in a closed /controlled environment. Annealed steel pipe is steel that has been heat treated to remove internal stresses, increase ductility, and soften the metal. The annealing process involves heating the steel to a specific temperature and then cooling it at a very slow and controlled rate. This process removes impurities in the grain, which increases the metal's ductility and reduces its hardness. Annealing is also commonly used to improve machinability, Enhance electrical conductivity, Soften a metal for cold working.

Annealed steel pipe one way to identify if a steel pipe is annealed is to tap it with a little more force and listen to the echo at the mouth of the attached ear. If the echo is loud and sharp, it means that it has been annealed. Annealed tubing has been heat-treated to remove internal stresses and increase ductility. In short, the annealing process softens the tube relative to cold worked (or "hard tempered") tubing. 300 series stainless steel anneals at a temperature of 1900 degrees Fahrenheit minimum.

Annealing is a process that improves the workability of a material. It can have many advantages for annealed steel pipe, including:

● Increased ductility: Annealing softens the steel and makes it more ductile, making it easier to form, bend, and shape.

● Reduced hardness: Annealing increases toughness and reduces hardness.

● Improved machinability: Annealing can improve a metal's ability to be machined.

● Reduced risk of fracturing: Annealing makes metals more formable, which reduces the risk of material fracturing from bending or pressing.

● Improved corrosion resistance: Annealing relaxes stress points, which offers a higher level of corrosion resistance.

● Improved tool lifespan: Annealing can improve the lifespans of tools.

● Eliminated defects: Annealing eliminates defects, uniforms the chemical composition, and fine grains.

● Reduced deformation: Annealing reduces deformation and crack tendency.

uperior Formability

Excellent ductility and bendability (can withstand bending up to 180° without cracking)

Ideal for complex fabrication and deep drawing processes

Enhanced Mechanical Properties

Uniform hardness (typically HRB 55-75)

Improved tensile strength (350-500 MPa range)

Better impact resistance compared to non-annealed pipes

Cost-Effective Solution

20-30% more economical than cold-rolled alternatives

Lower processing costs for secondary operations

Reduced tool wear during machining

Optimal Weldability

Lower carbon equivalent (CE) for cleaner welds

Minimal post-weld distortion

Compatible with all standard welding methods (TIG, MIG, spot welding)

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