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This UNS32750 super duplex stainless steel concentric reducer is high-end butt-weld pipe fitting manufactured strictly under ASTM A815 standard, far superior to ordinary 304,316 and S31803 reducers. The super duplex metal owns balanced ferrite-austenite dual phase structure, combining ultra-high tensile strength, excellent resistance to pitting corrosion, crevice corrosion and chloride stress cracking. It can stably serve in high-salinity seawater, acid chemical medium and high-pressure oil-gas working conditions without thinning wall, rust or leakage problems.
The product adopts integral hot forming process with uniform wall thickness, smooth inner cavity and no flow dead zone, which effectively reduces fluid turbulence and pressure loss. The precise butt-welding bevel end matches perfectly with same-grade duplex steel pipes, forming tight seamless welding joints to realize zero long-term leakage. Every reducer passes chemical composition inspection, hydraulic pressure test and dimensional tolerance detection before leaving factory, ensuring stable safety for industrial pipeline long-cycle operation.
2. Full Technical Parameter Table
表格
Item
Detailed Specification
Material Grade
UNS32750 Super Duplex Stainless Steel (2507)
Production Standard
ASTM A815, ASME B16.9
Product Type
Concentric Reducer (CR)
Connection Mode
Butt Welding
Optional Wall Thickness
STD, SCH40, SCH80, XS, XXS
Available Size Range
1"–48" Custom Reducing Sizes
Core Unique Features
Super anti-chloride corrosion, high tensile strength, pressure resistant, low fluid resistance
Applicable Medium
Seawater, brine, acid liquid, crude oil, chemical corrosive fluid
3. Product Function, Application & Full After-sales Support</strong>
The core function of concentric reducer is to smoothly convert pipe inner diameter on coaxial pipeline, balance fluid flow velocity and avoid sharp pressure fluctuation caused by sudden pipe size change. It is widely applied in offshore platforms, seawater desalination plants, marine chemical industry, petroleum transportation, coastal wastewater treatment and high-corrosion industrial piping systems.
We provide full set of export service solutions. All products are wrapped with waterproof plastic film, lined with foam and packed in fumigated wooden cases to prevent collision and rust during long-distance sea transportation. Multiple payment terms and flexible delivery cycle are negotiable. We support customized drawings, special sizes and third-party inspection. If you encounter quality defects, wrong specifications or transit damage, we offer free return, exchange and rework service.
Please contact us immediately to get bulk discount, technical drawing and customized quotation for your engineering project
TOBO GROUP sales head offce in Shanghai.
We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area of 6,8,000square meters, existing 260 workers and 45 technicia... TOBO GROUP sales head offce in Shanghai.
We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area of 6,8,000square meters, existing 260 workers and 45 technicia...
