ASME B 16.5 ASTM A420 GR.WPL6 butt weld pipe caps

When it comes to ensuring the integrity and functionality of a piping system, the devil is in the details. Every component, no matter how seemingly small, plays a crucial role. The recent batch of pipe fittings produced by Haihao Group for Russian customers includes ASTM A420 GR.WPL6 butt welded pipe caps, which comply with ASME B 16.5 standards.

ASME B16.5 ASTM A420 GR.WPL6 butt weld pipe caps are specifically designed for low-temperature applications, where the pipe and fittings are exposed to sub-zero temperatures. They are commonly used in industries such as liquefied natural gas (LNG), cryogenic storage, and refrigeration.

ASME B16.5 ASTM A420 GR.WPL6 butt weld pipe caps

ASME B16.5 ASTM A420 GR.WPL6 butt weld pipe caps


Material: ASTM A420 GR.WPL6

Type: Butt Weld (BW)

Size: 60.3mm (2.375 inches) Outer Diameter

Thickness: 3.91mm (0.154 inches)

Standard: ASME B 16.5

Importance of the Butt Weld Pipe Cap:

In the complex world of pipeline systems, a cap might appear as a simple device, but its role is pivotal. Butt weld pipe caps are designed to close the end of pipes, ensuring the safety,integrity, and efficiency of the system. Here are some key aspects to consider:

  1. Protection: The primary purpose of a pipe cap is to protect the exposed end of a pipe. It acts as a shield against foreign materials, contaminants, and environmental factors like moisture and corrosion.
  2. Safety: In industrial settings, safety is paramount. Pipe caps prevent accidents by sealing off the ends of pipes, reducing the risk of personnel coming into contact with potentially harmful substances or sharp edges.
  3. Maintenance: During maintenance or system modifications, caps facilitate easy access to the pipe’s interior. This minimizes downtime and simplifies repairs or alterations.
  4. Corrosion Prevention: Butt weld caps, when made from appropriate materials like ASTM A420 GR.WPL6, can effectively prevent corrosion at the pipe’s exposed end, prolonging the pipeline’s lifespan.

ASME B 16.5 Standard Compliance:

The ASME B 16.5 standard is a widely recognized guideline for pipe flanges and flanged fittings. By conforming to this standard, the ASTM A420 GR.WPL6 Butt Weld Pipe Cap ensures compatibility and interchangeability with other ASME B 16.5-compliant components within your piping system.


ASTM A420 GR.WPL6 Butt Weld Pipe Caps are suitable for various industries and applications, including oil and gas, petrochemical, chemical processing, and more. Their reliability, durability, and compliance with ASME standards make them a top choice for critical systems.

Haihao Group adheres to strict quality control and testing standards, and our ASME B16.5 ASTM A420 GR.WPL6 butt welded pipe caps meet the specified requirements. Our common quality checks include visual inspections, material analysis, and non-destructive inspections such as ultrasound or radiography.

In the intricate world of industrial pipelines, precision and quality matter. The ASME B 16.5 ASTM A420 GR.WPL6 butt weld pipe cap, exemplifies the attention to detail required to maintain the safety and efficiency of complex piping systems. Its role in protection, safety, and maintenance cannot be overstated.Haihao Group is a professional integrated supplier of pipeline engineering products. Our products cover all parts of the pipeline system, including pipes, flanges, elbows, tees, pipe caps and matching bolts and nuts, etc. Contact us now to learn more Information.