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Main Grade:304,304L,316L,317L,321,321H,904L,S31803,S32750,S32550.
Kinds of Class:Welding Neck Flange;Socket Welding Flange;Threaded Flange;Lap Joint Flange;Blank Flange;Other
Special Flange.
Size: OD1/2"-120"(DN15-DN3000)mm
Main Standard: ASME B16.5, ASME B16.48, ASME B16.47,API 590, DIN 2573~2576, DIN 2527, DIN 2630~2637,
DIN 2641~2642, HG/T20592-2009, HG/T20615-2009.