Tender For bid to ras tender for supply of as flanges - flange 10 ansi 300 wnrf sch 20 as , weld neck flange alloy steel sa182f11 nom size 6 inch sch 40 ansi 300 raised face , weldneck flange alloy steel sa182f11 nom size 1 inch sch 80 ansi 600 raised face , wnrf 10 inch class 2500 sch thk 34mm sa182 by f22 as , not to be quote for this item