ASTM B366 UNS N08810 Alloy 800H 180° SR Return Bends Heat Resistant Fittings For Extreme Conditions

ASTM B366 UNS N08810 Alloy 800H 180° SR Return Bends Heat-Resistant Fittings For Extreme Conditions

Product Specifications:

Material Standard: ASTM B366 UNS N08810 (Alloy 800H)

Available Configurations:

Chemical Composition:

Mechanical Properties:

• Tensile Strength: ≥450 MPa
• Yield Strength: ≥170 MPa
• Elongation: ≥30%
• Grain Size: ASTM 5 or coarser

Key Features:

• Exceptional high-temperature strength
• Outstanding oxidation resistance
• Excellent creep resistance
• Superior carburization resistance
• Stable microstructure
• Enhanced thermal fatigue resistance

Manufacturing Process:

1. Material certification
2. Hot forming
3. Solution annealing
4. NDT examination
5. Dimensional inspection
6. Surface treatment
7. Quality verification

Applications:

• Petrochemical processing
• Industrial furnaces
• Chemical processing
• Power generation
• Nuclear components
• High-temperature heat exchangers
• Ethylene pyrolysis furnaces

Quality Assurance:

• ISO 9001:2015 certified
• ASME certified facility
• PED 2014/68/EU approved
• 100% material traceability
• Complete NDT capabilities

Technical Specifications:

Yuhong Holding Group - Excellence in Industrial Heat Exchange Solutions

With 20 years of global export experience spanning 80 countries, Yuhong Holding Group stands as one of China's top 5 finned tube manufacturers. Our state-of-the-art 20,000-square-meter facility, equipped with 55 production lines, delivers superior quality heat exchange components.

Frequently Asked Questions:

Q: What makes Alloy 800H suitable for high-temperature applications?
A: Its unique composition provides exceptional strength and oxidation resistance at elevated temperatures.

Q: Are special heat treatments available?
A: Yes, we can provide custom heat treatment cycles based on specific requirements.

Q: What quality certifications are provided?
A: Material Test Certificates (MTCs), NDT reports, and dimensional reports are standard.

About Yuhong Holding Group:

Our team of 110+ skilled professionals utilizes advanced manufacturing technology to ensure premium quality products. Our commitment to excellence has established us as a trusted global supplier of industrial heat exchange solutions.

Contact our technical experts today for detailed specifications and customized solutions tailored to your requirements.

Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories,  the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always.   The factories already got certificates like : ABS, LR, DNV-GL, BV, KR, CCS, ASME, ISO 9001, ISO14001, ISO18001, ect.

Our factories main products as below : 
Factory 1th: Stainless steel seamless tube, Duplex steel seamless tube, Super duplex steel seamless tube, Nickel alloy steel seamless tube;

Factory 2th: Carbon steel seamless tube, Alloy steel seamless tube; Enhanced Heat Tranfer Tube, low fin tube ,U bending workshop;
Factory 3th: High frequency welding fin tube(HFW fin tube, Solid Fin tube, Studded Tube, Serrated Fin tube, Longitudinal welding fin tube), Wound fin tube(L type fin tube, LL type fin tube,  KL type fin tube), Embedded G type fin tube , Extruded fin tube,  low fin tube, U bend & 180deg. Return;

Yuhong Holding Group also has gained rich experience for project package( products contain:Pipes, Fittings, Flanges, heat exchanger, furnace, fired heater, air cooler, boiler) , YUHONG brand has marked its global presence in more than 85 countries, like, Korea, USA, Canada, Mexico, Colombia, Bolivia, Chile, Argentina, Brazil, Ecuador, Austria, New Zealand, Singapore, Malasyia, Indonesia, Thailand, Vietnam, Ukraine, Turkey,Sauid Arabia, Qatar, U.A.E,Israel,India, UK, France, Italy, Gernmany, Poland, Spain,... We have successfully implemented the orders of Cross Country Pipelines for our valuable customers. In addition, we have also developed a huge network of contacts and strategic alliances with most important manufacturers as stockists around the world.