ASTM A671 GR.B55 / CC55 CL.12 / 22 / 32 EFW Pipes

ASTM A671 GR. B55 / CC55 CL.12 Carbon Steel EFW Pipe is widely used in various industries because of its durability, strength, and resistance to corrosion. It is an electric fusion welded carbon steel pipe used in high-pressure and high-temperature applications. The ASTM A671 GR. B55 / CC55 CL.12 Carbon Steel EFW Pipe is available in various types, such as ERW, LSAW, SAW, and Seamless. Each type has unique features that make it ideal for specific applications. For instance, ERW pipes are best suited for low-pressure applications, whereas SAW pipes are ideal for high-pressure and high-temperature applications.

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The ASTM A671 GR. B55 / CC55 CL.22 Carbon Steel EFW Pipe is primarily used in the oil and gas and chemical processing and power generation industries. These pipes are also used in infrastructure projects like water supply and sewage treatment systems. Additionally, they are employed in constructing bridges, buildings, and other structures that require durability and resistance to wear and tear.

One of the key benefits of the ASTM A671 CC55 CL.32 Carbon Steel EFW Pipe is its long service life. These pipes can last for many years without requiring significant maintenance or repair. Additionally, they offer excellent corrosion resistance, making them ideal for use in harsh environments where other materials may corrode or rust quickly. Furthermore, the ASTM A671 CC55 CL.32 Carbon Steel EFW Pipe is available in various sizes and thicknesses, which means that they can be customized to fit the specific needs of a particular project.
Another advantage of the ASTM A671 CC55 CL.32 Carbon Steel EFW Pipe is its affordability. Compared to other types of pipes, these are highly cost-effective, making them an excellent choice for projects with tight budgets. Additionally, these pipes have good weldability and can be easily joined to other piping sections, simplifying the installation process.

The ASTM A671 GR. B55 / CC55 CL.12 Carbon Steel EFW Pipe offers many benefits for various industries. It is an electric fusion welded carbon steel pipe used in high-pressure and high-temperature applications. These pipes are available in various types and sizes, which makes them versatile and adaptable to different projects. They are highly durable, corrosion-resistant, and cost-effective, making them an excellent choice for those needing a long-lasting and reliable piping solution.


ASTM A671 GR. B55 carbon steel EFW pipe has specific mechanical properties that ensure its suitability for various applications. The minimum yield strength of GR. B55 is 55,000 psi (380 MPa), which indicates its ability to withstand a certain amount of stress before permanent deformation.

ASTM A671 Grade CC55 EFW pipes exhibit good strength, ductility, and weldability. They are suitable for moderate-temperature applications and offer reliable performance in conveying fluids and gases.

ASTM A671 Gr CC55 CS Class 22 EFW pipes have a pressure class or design pressure rating of Class 22. Based on their design and material specifications, the pressure rating indicates the maximum allowable operating pressure the pipes can withstand.

Specification of ASTM A671 Grade B55 / CC55 Class 12/22/32 Carbon Steel EFW Pipes

Spec bag
EFW Pipes
Specifications : ASTM A671 / ASME SA671
Dimension Standard : ANSI B36.19M, ANSI B36.10
Type : EFW (ELECTRIC FUSION WELDED PIPES)
Class Designation : CLASS 10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33, 40, 41, 42
Size : 16" NB To 100" NB (Nominal Bore Size)
ASTM A671 EFW Pipes Length : 5 To 7 Meters, 09 To 13 Meters, Single Random Length, Double Random Length And Customize Size.
Ends : Plain Ends / Beveled Ends / Coupling

Types of ASTM A671 Grade B55 / CC55 CL 12/22/32 CS EFW Pipes

ASTM A671 Gr B55 / CC55 CL 12/22/32 EFW Pipes

ASTM A671 B55 EFW Pipes

  • - ASTM A671 Gr B55 CL.12 EFW Pipes
  • - A671 Carbon Steel Gr.B55 Class 22 EFW Pipes
  • - ASTM A671 Grade B55 CL 32 Carbon Steel EFW Pipes
  • - ASME SA671 Grade B55 Class 22 Carbon EFW Pipes
  • - SA671 Gr B55 CL 32 CS EFW Pipe
  • - ASME SA 671 CS Gr.B55 CL.12 EFW Pipes
  • - A671 Gr.B55 Class 12 Electric Fusion Welded Pipes Supplier
  • - ASTM A671 Gr B55 CL 22 EFW Welded Pipes Manufacturer
ASTM A671 Gr B55 / CC55 CL 12/22/32 EFW Pipes

ASTM A671 CC55 EFW Pipes

  • - ASTM A671 Gr CC55 CL.12 EFW Pipes
  • - A671 Carbon Steel Gr.CC55 Class 22 EFW Pipes
  • - ASTM A671 Grade CC55 CL 32 Carbon Steel EFW Pipes
  • - ASME SA671 Grade CC55 Class 22 Carbon EFW Pipes
  • - SA671 Gr CC55 CL 32 CS EFW Pipe
  • - ASME SA 671 CS Gr.CC55 CL.12 EFW Pipes
  • - A671 Gr.CC55 Class 12 Electric Fusion Welded Pipes Supplier
  • - ASTM A671 Gr CC55 CL 22 EFW Welded Pipes

ASTM A671 Carbon Steel Gr B55, CC55 CL 12, 22, 32 EFW Pipes Chemical Composition

A671 Grade Chemical composition
C Si Mn P S
B55 -/0.20 0.13 0.98 0.035 0.035
C55 -/0.18 0.13~0.45 0.55 0.035 0.035

Mechanical Properties of ASTM A671 Carbon Steel Grade B55 / CC55 CL 12, 22, 32 EFW Pipes

Grades Yield Strength (N/mm2) Tensile Properties (N/mm2) Elongation (%) Welding point tensile strength (N/mm2)
-/B55 -/205 -/380~515 -/27 -/380~515
-/C55 -/205 -/380~515 -/27 -/380~515

Application Industries

  • Refineries
  • Petrochemicals Industry
  • Oil & Gas Industry
  • Mining
  • Construction
  • Pharmaceuticals
  • Automobile