SIZE: 1/2″-48″、DN15-DN1200 WALL THICKNESS: SCH-5S to SCH-XXS STANDARD: ASME ANSI B16.9,JIS,DIN,GOST MATERIAL:ASTM A234-WPB,A420-WPL6/L3etc.;ASTM A234-WP12,WP11,WP15,WP22,WP1,WP5,WP9,WP91
