TYPE : 180° RETURNS (Hot-Dipped Galvanized)WALL THICKNESS (Sch) : 40, 80STANDARD : ASTM/ASME A/SA234 WPB , ASME B16.9GRADE : WPBSIZE SEAMED : 1/2 - 8 inchSIZE SEAMLESS : 1/2 - 8 inch
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