BL RTJ FLANGE Standard: ANSI B16.5 Material:A105 Type:BL B16.5 BL RTJ FLANGE 600LB 2" F316L Materialcarbon steel(A105,A350 ... ,F22),stainless steel(F304,F316,F321)CertificateISO9001:2008,TUVStandardASME B16.5/16.47,JIS 2220,DIN,BS,EN1092-1,ANSI B16.36 ...