Weld Neck Flange  

Product name:Neck butt welding flange Technology:Forging Size: DN10-DN800 Standard:ASME,DIN,EN-1092,JIS,BS,GHOST,GB,HG/T20592 Materials:317/L、304/L、316/L 、310/S 、309/S、347/H 、321/321H、904/L 、S32750/F53/SAF2507、 S32205/F60 S31803/F51、S32760/F55

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