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Concentric Reducer 21.3 × 17.2 mm 316L Stainless Steel
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Description
Concentric Reducer 21.3 × 17.2 mm 316L Stainless Steel
- Size: 21.3 × 17.2 mm
- Wall thickness: 2 mm
- Material: 316L stainless steel (1.4404)
- Manufactured according to: EN 10253-4
- Suitable for welding
- Excellent corrosion resistance

Alternative Name: Concentric Reducer 21.3 × 17.2 mm 316L Stainless Steel, butt weld reducer, stainless steel reducer, weld reducer, SS316L reducer, 1.4404 reducer, inox reducer, corrosion-resistant reducer.
Information
Concentric Reducer 21.3 × 17.2 mm 316L Stainless Steel is a butt weld fitting designed to connect pipes of different diameters while maintaining smooth flow through the piping system. Manufactured from 316L stainless steel (1.4404), it offers outstanding corrosion resistance, excellent weldability, and long service life in demanding industrial environments.
The fitting is manufactured in accordance with EN 10253-4, ensuring dimensional accuracy and compatibility with stainless steel piping systems.
Material
316L stainless steel (1.4404) is a highly corrosion-resistant austenitic stainless steel with excellent weldability and formability. Originally developed for the paper industry, it provides outstanding resistance to sulphur compounds and aggressive industrial environments.
Equivalent grades: DIN 1.4401, 1.4404, SS316, SS316L, AISI 316, AISI 316L.
Advantages
- Excellent corrosion resistance
- Excellent weldability
- Non-magnetic
- Excellent ductility
- High impact strength
- Wide operating temperature range
Applications
Heat exchangers, pharmaceutical equipment, dairy processing plants, breweries, marine fittings, coastal installations, food processing industry, and industrial piping systems.
We also offer stainless steel reducers in many other sizes. If you have any questions, please contact us. Call +48 63 261 42 02 or email biuro@polberis.pl.
Learn more about concentric reducers here >>

