China 1.4410 ASTM A240 S32750 Super Duplex Stainless Steel 2507 Cdfl1008, Find details about China Stainless Steel Plate Flange, ANSI B16.5 Flat Flange from 1.4410 ASTM A240 S32750 Super Duplex Stainless Steel 2507 Cdfl1008