... welding, threaded, blind, slip on, lap joint are in accordance with ANSI B 16.5 from 1/2" ... .Depending on special purposes, flanges can be manufactured in different shapes and sizes 1. Standard:(forged flange)ANSI,JIS, ... /Black Anti-rust Paint,Zinc,6. Inspection:factory in-house self check or Third Party inspection7. Packing: ... for 1000tons10.Supply Capacity: 10000tons per year High quality forged flange