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Highly Suitable Material ASTM A182 Duplex Stainless Steel WN Flanges

With an increased chromium content compared with F51 it offers improved pitting corrosion resistance.

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ASTM A182 UNS S31803 Duplex Flanges are mainly available to people in four groups that is martensitic, ferritic, and austenitic and the last is the hardened steels. The ASME SA182 F51 RTJ Flange has two rings as two halves and they are connected at the joint by welding. The flanges also have different faces as raised face, flat face and the ring type joint. It may be manufactured in accordance with a plurality of standard specifications such as ASME B16.5, ASME B16.47, API 6A, ASME B16.48, ASME B16.36, BS 4504, and EN 1092-1 etc.

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