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hebeihaihao

Hebei haihao high pressure flange & pipe fitting group was established in 1982, located in Mengcun County the hometown of pipe fittings in China.


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Premium ANSI B16.11 ASTM A105 threaded caps by Haihao Group – Certified quality for demanding industries

At Haihao Group, we pride ourselves on delivering high-performance piping components that meet the most stringent global standards. Our ANSI B16.11 ASTM A105 threaded caps are trusted by clients worldwide, including a recent successful procurement by a Singapore-based customer. This collaboration highlights our commitment to quality, compliance, and customer satisfaction.

Why Choose Haihao Group’s ANSI B16.11 ASTM A105 Threaded Caps?

ANSI B16.11 ASTM A105 threaded caps

ANSI B16.11 ASTM A105 threaded caps

Rigorous Material Standards

Crafted from ASTM A105 carbon steel, our threaded caps ensure exceptional durability and resistance to high-pressure environments. Ideal for oil, gas, petrochemical, and marine applications, these caps comply with ANSI B16.11 specifications for dimensional accuracy and mechanical integrity.

Full Compliance with International Certifications

EN 10204 3.1 Mill Certificate: Each shipment includes a Mill Certificate certified by recognized classification societies, explicitly stating compliance with NACE MR0175/ISO 15156 for sour service environments.

Heat Treatment & Cooling Media Details: Our reports specify the heat treatment process (e.g., normalizing, quenching) and cooling media (e.g., air, oil) to guarantee optimal material properties.

Comprehensive Testing & Documentation

Hardness Test Reports: Verify material hardness (Rockwell/Brinell) to ensure suitability for harsh operational conditions.

UT (Ultrasonic Testing) Reports: Detect internal flaws and validate structural integrity.

Heat Treatment Reports: Document thermal processing to enhance strength and corrosion resistance.

Key Features & Benefits

✅ Corrosion Resistance: Ideal for sour and high-temperature environments.
✅ Traceable Quality: Every product batch is backed by complete documentation.
✅ Custom Solutions: Tailored heat treatment and testing to match project specs.

Optimized for Your Industry Needs

Whether you’re in oil and gas, shipbuilding, or chemical processing, Haihao Group’s threaded caps deliver unmatched reliability. Our certifications and testing protocols eliminate delays in approvals, saving you time and costs.

Request a Quote Today!

Elevate your projects with Haihao Group’s certified ANSI B16.11 ASTM A105 threaded caps. Contact us now to discuss your requirements or request sample documentation:
📧 Email: sales@haihaogroup.com

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