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schedule 40 astm a106 welded hot-dipped seamless steel pipe

Seamless pipes start with solid cylindrical steel blocks called billets. While still hot, pierce the center of the billet with a mandrel. The next step is to roll and stretch the hollow billet. The billet is precisely rolled and stretched until it reaches the length, diameter and wall thickness specified by the customer's order.

Some seamless tube types become hard during manufacture, so there is no need for heat treatment after manufacture. Others do require heat treatment. Check the specifications of the type of seamless pipe you are considering to see if it requires heat treatment.

Seamless Steel Pipe & Tube, Carbon Seamless Steel Pipe,SMLS Pipe & Tube, Black Seamless Pipe, GI Seamless Pipe 

Chilled water pipeSteam/condensate pipeHeat exchanger pipeMarine/offshore pipeDredging pipeIndustrial pipe
Oil and gas pipeFire fighting pipeHeat exchanger pipeIrrigation pipeDrain/sewage pipeBoiler tube


Carbon seamless steel pipe is a kind of strip steel. Steel pipes with hollow cross-sections are used in a large number of pipelines for conveying fluids, such as pipelines for conveying oil, natural gas, gas, water and some solid materials. Compared with other solid steels, steel and round steel have the same bending strength and lighter weight under the same bending strength. It is an economical steel and is widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipes and bicycles. Frame and steel structure scaffolding. The use of carbon seamless steel pipes to manufacture rings can increase the utilization rate of materials, simplify the manufacturing process, and save materials and processing time. Rolling bearing rings, jackets, etc., have been widely used in the manufacture of steel pipes.

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