... #; Stainless steel; Alloy steel blind spade Flanges of welding neck, socket welding, threaded, blind, slip on, lap joint are ... lbs are in accordance with ANSI B 16.36.Blind, slip on, welding neck flanges are from 6 ... in different shapes and sizes 1. Standard:(forged flange)ANSI,JIS,DIN,BS4504,SABS1123,EN1092-1, UNI, ... for 1000tons10.Supply Capacity: 10000tons per year High quality blind spade