Haihao Group Delivers Incoloy 800H Threaded Couplings and Unions to the UAE
Haihao Group has successfully completed the shipment of Incoloy 800H threaded couplings and unions to a customer in the United Arab Emirates.
The products are designed for 2-inch piping systems and manufactured in compliance with ASTM B407, ensuring reliable performance in high-temperature and high-pressure service conditions.

Incoloy 800H NPT threaded union 3000# manufactured by Haihao Group
Supplied Product Details
The delivered fittings include:
- Threaded Coupling
Size: 2 inch
Thread type: NPT
Pressure class: 3000#
Material: Incoloy 800H
Standard: ASTM B407 - Threaded Union
Size: 2 inch
Thread type: NPT
Pressure class: 3000#
Material: Incoloy 800H
Standard: ASTM B407
Both products are precisely machined to ensure accurate thread engagement and secure sealing during installation.

Quality inspection of Incoloy 800H NPT threaded couplings
Material Advantages of Incoloy 800H
Incoloy 800H is a nickel-iron-chromium alloy specifically developed for high-temperature and high-stress environments.
Key benefits include:
- Excellent resistance to oxidation and carburization
- Good creep and rupture strength at elevated temperatures
- Stable microstructure under long-term thermal exposure
- Reliable corrosion resistance in aggressive process environments
These properties make Incoloy 800H an ideal material for refinery, petrochemical, and energy applications.
Typical Applications
Incoloy 800H threaded couplings and unions are commonly used in:
- Oil and gas processing systems
- Petrochemical and refinery piping
- High-temperature heat exchange systems
- Industrial process piping requiring frequent disassembly
Quality Control and Inspection
Haihao Group applies strict quality control procedures throughout production, including:
- Chemical composition verification
- Dimensional and thread inspection
- Visual surface examination
- Material traceability and documentation control
All fittings are inspected to ensure full compliance with project specifications before delivery.
Why Choose Haihao Group
With extensive experience supplying nickel alloy pipes and fittings to the Middle East market, Haihao Group provides reliable solutions for demanding industrial applications.
Our product range includes Inconel, Incoloy, Monel, and Hastelloy fittings, manufactured to international standards and customer requirements.
