ASTM A53 A106 API 5L Grade B Seamless Steel Pipes are fundamental components in global industrial infrastructure. These pipes are produced through a process that involves piercing a solid billet to create a hollow shell without any seam, resulting in superior pressure integrity, uniform strength, and enhanced reliability for demanding applications. They are widely recognized for their performance in transporting fluids and gases, as well as in structural applications
Products Description
| Product | ASTM A53 A106 API 5L Grade B Seamless Steel Pipe |
| Manufacturing | Hot rolled, Cold-drawn/Cold-rolled |
| OD | 1/2"~36"(21.3~914mm) |
| Thickness | 0.055"~2"(1.65~50mm) |
| Ends | bevel or plain or groove |
| Coating | Bare, black painting, FBE, Epoxy , 3LPE,3LPP... |
Standards and Grades
These pipes conform to internationally recognized specifications:
API 5L: Specifies requirements for seamless and welded steel line pipe used in the transportation of gas, water, and oil in the petroleum and natural gas industries. Common grades include PSL1 Grade B.
ASTM A106: Covers seamless carbon steel pipe for high-temperature service, typically used in power plants, boilers, and process lines. Grade B is the most prevalent.
ASTM A53: Covers seamless and welded black and hot-dipped galvanized steel pipe for mechanical and pressure applications, as well as for ordinary uses in steam, water, gas, and air lines. Grade B is commonly supplied.
These standards often share overlapping grades (e.g., Gr. B), and materials such as 20# carbon steel are frequently used. The pipes are available in both hot-rolled and cold-drawn/cold-rolled techniques
manufacturing
Round Billet reciept and inspection---Shearing----Heating----Piercing----Rolling----Sizing----Straightening---Tail cutting----NDT-----Hydro test---Inspection(Chemical composition/Mechanical Property/Dimension & Visual) ---Marking/Bundling----Storage
End Finishes and Surface Treatment
End Finishes: Plain ends (for smaller diameters), beveled ends for welding (for diameters above 2 inches), threaded and coupled ends, or grooved ends. Protective plastic caps are provided.
Surface Treatment: ASTM A53 A106 API 5L Seamless Steel Pipe can be supplied in black (bare), painted (black, red, gray), anti-rust oiled, hot-dip galvanized, or with specialized coatings like FBE, Epoxy,3PE, 3PP anti-corrosion
Applications
Pipeline Transport: For conveying oil, natural gas, water, and slurry in long-distance transmission lines and distribution networks.
Power Generation & Boilers: Used in high-pressure and high-temperature service for boiler tubes, superheaters, and steam lines in thermal and nuclear power plants
Petrochemical & Chemical Industry: Employed in refinery furnace tubes, heat exchangers, and process piping for corrosive or high-pressure media.
Structural & Mechanical: Utilized in general structural applications, engineering supports, and mechanical components requiring high strength.
Other Sectors: Also applicable in mining, construction, food and beverage, and hydraulic systems.
quality control
ASTM A53 A106 API 5L Grade B Seamless Steel Pipes undergo stringent quality control per standard requirements:
* Hydrostatic Pressure Test
* Non-Destructive Test (Eddy Current, Ultrasonic)
* Chemical composition test
* Mechanical Property Test
* Dimension & Visual Inspection
* Third party inspection before shipment accepted also
our Advantage
* High quality assured & Fast delivery.
* Rich experiences(23+years) in Technics/Production/Post-sales.
* Technical & full set of documents support (API 5L, ISO, MTC, ITP &MPS .etc)
shipment
Contact
Mr. Kevin
Tianjin shenzhoutong steel pipe co.,ltd
kevin@tjshenzhoutong.com
Mob/whatsapp/wechat +86 15267768016
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