UNS N08810 Nickel Alloy Reducer

Our precision-engineered UNS N08810 (Alloy 800H/HT) nickel alloy reducers are designed to provide reliable pipe diameter transition solutions for piping systems operating in extreme high-temperature environments. Manufactured to international standards, these reducers offer exceptional resistance to oxidation, carburization, and creep deformation at elevated temperatures. Leveraging the unique properties of Alloy 800H/HT, our reducers deliver superior performance in petrochemical furnaces, heat treating equipment, steam methane reformers, and nuclear power generation where secure and efficient flow transition is essential.

 

Available Materials & Specifications

We ensure complete traceability and compliance with international standards such as ASTM B366, ASME, and MSS. Our reducers are available in high-performance UNS N08810 nickel alloy to meet the demands of high-temperature and corrosive environments.

Nickel Alloy Grade:

Alloy 800H / Alloy 800HT / UNS N08810 / UNS N08811 / W.Nr. 1.4958 / 1.4959

 

Standards: ASTM B366, ASME B16.9, MSS SP-43

Traceability: 100% Mill Test Certificates (MTC) with full heat traceability and PMI testing available upon request

 

Product Range & Dimensions

We offer a complete line of UNS N08810 reducers in various types and dimensions to fit standard pipe schedules and flow requirements:

Types:

Concentric Reducers for vertical pipelines and concentric flow transition Eccentric Reducers for horizontal pipelines to prevent air accumulation

Size Range:

Nominal Diameter: 1/2″ to 48″ (DN15 to DN1200) – Larger sizes available upon request

Wall Thickness:

Sch 10S, Sch 40S, Sch 80S, Sch 160, XXS (Custom wall thicknesses available for specific pressure and temperature requirements)

Reduction Ratios:

Standard and custom reduction ratios available to meet specific flow velocity and pressure drop requirements

 

OEM & Custom Services / OEM

Our OEM customization services allow you to tailor UNS N08810 reducers to your exact specifications:

Special End Preparation:

Bevel ends (Standard or J-preparation) for welding

Custom Dimensions:

Non-standard reducer lengths for specialized piping layouts

Custom reduction ratios for unique flow control requirements

 

Marking:

Laser marking or low-stress stamping with your logo, alloy grade, heat number, and specification details.

Custom Packaging:

Plywood cases, steel crates, or heat-shrink wrapping with custom labeling for inventory management.