... :EN,UNI,JIS,DIN,ANSI Carbon Steel A 105 ANSI Blind Flange:Specifications:Surface coated with unti rust oil,hot galvanizingSize: 1 ... /2''-72''Material: Carbon steel/stainless steelStandard: DIN,ANSI,UNI ... .We are sincerely welcome your valuable inquiry and questions. Carbon Steel A105 ANSI Blind Flange with good quality