ASTM A53 is a carbon steel alloy,used as structural steel or for low-pressure plumbing.The alloy specifications are set by ASTM International,in specification ASTM A53/A53M.

ASTM A53 Standard is the most common standard for carbon steel pipes.Carbon steel pipe mainly refers to the carbon mass fraction is less than 2.11% without containing deliberately added alloying elements of steel, with the level of carbon contained in a steel being one of the most important factors to be influence on its the strength of the steel, the hardness increases, and reduces ductility, toughness and weld ability. Besides, it generally also contain a small amount of silicon, manganese, sulfur, phosphorus in addition to carbon. Compared to other types of steel, it is the earliest, low cost, wide range of performance, the largest amount. Suitable for nominal pressure PN ≤ 32.0MPa, temperature -30-425 ℃ water, steam, air, hydrogen, ammonia, nitrogen and petroleum products, and other media. Carbon steel pipe is the earliest to use the largest amount of basic material in modern industry. The world’s industrial countries, in efforts to increase high strength low alloy steel and alloy steel production, which is also very attention to improving the quality and expanding the range of varieties and use. Proportion of the production in the countries’ total output of steel, approximately maintained at about 80%, it is not only widely used in buildings, bridges, railways, vehicles, ships and all kinds of machinery manufacturing industry, but also in the modern petrochemical industry, marine development, has also been heavily used.

Size Range: 1/2″NB to 36″NB

Thickness: SCH40,SCH80,SCH160,SCH XS,SCH XXS etc.

Type: Seamless

Length: Single Random,Double Random&Required  Length.

End: Plain End,Beveled End,Threaded End etc.

End Protection: Pipe Caps

Outsize Coating: Black Painting,Anti-Corrosion Oil,Galvanised Finish or as per customer’s requirements.

Application

1. Construction: the pipeline underneath, the groundwater, and the hot water transportation. 

   2. Mechanical processing, bearing sleeves, processing machinery parts, etc. 
   3. Electrical: Gas delivery, Hydroelectric power fluid pipeline 
   4. Anti-static tubes for wind power plants, etc.

 Production process

1. Production process of hot-rolled seamless steel pipe: tube billet → heating → perforation → three-roller/cross-rolling & continuous rolling → de-pipe → sizing → cooling → straightening → hydraulic test → marking → seamless steel pipe with leverage effect detected. 
2. Production process of cold drawn seamless steel tubes: tube blank → heating → perforation → heading → annealing → pickling → oiling → multiple cold drawing → blank tube → heat treatment → straightening → hydraulic test → marking → storage.