Hebei Haihao High Pressure Flange Pipe Fitting Group Co.,Ltd
Haihao Group delivers ANSI B16.5 ASTM A105 RF blind flanges to Singapore client

Haihao Group delivers ANSI B16.5 ASTM A105 RF blind flanges to Singapore client

Haihao Group has successfully produced and delivered a batch of ASTM A105 blind flanges for a valued client in Singapore. These flanges were manufactured to meet the stringent requirements of ANSI B16.5, NACE MR0175, and ISO 15156, ensuring compatibility with demanding industrial applications.

Flange Specifications

  • Material: ASTM A105
  • Standard: ANSI B16.5
  • Sealing Surface: Raised Face (RF)
  • Pressure Ratings: Class 150# and 600#
  • Protective Features:Equipped with standard flange protection covers for safe handling and transport.
ANSI ASME B16.5 RF ASTM A105 blind flange

ANSI ASME B16.5 RF ASTM A105 blind flange

Testing and Certification

To ensure the highest quality and compliance with international standards, the blind flanges underwent rigorous testing, including:

Chemical Composition Report

Verified the material composition to meet ASTM A105 and NACE MR0175 requirements.

Tensile Test Report

Ensured mechanical strength under operational conditions.

Hardness Test Report

Confirmed the material’s resistance to deformation.

Positive Material Identification (PMI) Test Report

Validated the material’s grade and specifications.

Impact Test Report

Assessed performance under low-temperature conditions.

Metallographic Structure Report

Analyzed the microstructure for consistency and quality.

Point Corrosion Test (ASTM G48A)

Evaluated resistance to localized corrosion in harsh environments.

EN 10204 3.1 Certificate

Certified compliance with NACE MR0175 / ISO 15156 standards.

A105 Blind Flange

A105 Blind Flange

Why Choose Haihao Group?

Haihao Group specializes in providing premium piping solutions that meet the highest industry standards. Our commitment to quality ensures:

  • Comprehensive testing and inspection.
  • Certification in compliance with global standards.
  • Reliable delivery and customer satisfaction.

By adhering to strict quality control measures, Haihao Group continues to be a trusted partner for piping components in critical applications worldwide.

For more information about our products or to discuss your project requirements, feel free to contact us. Haihao Group—a reliable partner in the field of pipeline technology and materials. Email:sales@haihaogroup.com

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