Duplex & Super Duplex Stainless Steel

ASTM A789/A789M, 2022 Edition, March 1, 2022 - Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service. ASME SA789/ASTM A789 TUBING BY YUHONG ASTM A789/ASME SA789 Duplex Steel Pipe/Tube YUHONG GROUP provides the best ASTM ...

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DUPLEX STEEL PIPE/TUBE As a professional duplex stainless steel flanges manufacturer in China, Yuhong Group provides quality super duplex tubing solutions. The microstructure of duplex stainless steel pipe for sale is approximately 50% ferrite (body-centered cubic structure) ...

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The microstructure of duplex stainless steel pipe is approximately 50% ferrite (body-centered cubic structure) and 50% austenite (face-centered cubic structure) crystal structure. The two phases coexist as a stable mixture, but this is different from two-phase alloys, where one ...

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