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ASTM A789 / A790 Duplex Stainless Steel Pipe S32750 42.16 X 3.56 X 6000MM Hot Finished UNS 31803 (F51), UNS 32205 (F60) Alloy 2205, UNS S32550 (F61), UNS S 32750 (F53), Alloy 2507 and UNS 32760 (F55) ...