... , 316L 20#; Stainless steel; Alloy steel blind spade Flanges of welding neck, socket welding, threaded, blind, slip on, lap joint are in ... 2500 lbs are in accordance with ANSI B 16.36.Blind, slip on, welding neck flanges are from 6 Bar to ... time:Within 30days for 1000tons10.Supply Capacity: 10000tons per year High quality blind spade