... : 15-20 days Cert: BV, TUV, ISO, CNAS 150# 1/2" 15A SORF ANSI 16.5 S.S Forged Flange Good ... ,Korea,etc Material316L, 316, 304L, 304,Class150#,300#,400#,600#,900#,1500#,2500#Production processraw material--cutting--heating--forging--heat treatment ... customers' requestMost Professional and Critic Inspection 2012 hottest ANSI 1/2 inch Stainless Steel slip on Flange