Forged Flanges: 1.Size:1/2"-64'' 2.Marerial:Q235,A105,20#,16Mn 316 316L ETC. 3.Standard:DIN JIS BS UNI EN1092-1KS Flanges of welding neck, socket welding, threaded, blind, slip on, lap joint are in accordance with ANSI B 16.5 from 1/2" to 24" and classes 150 to 2500 (complete range).Flanges from 26" to 48" and classes 150 to 900 lbs are in accordance with MSS SP 44 standard.Flanges with long ...