... 2) Materials: Carbon steel, stainless steel, alloy steel name:stainless steel flange1) Flange varieties: Plate, slip-on, welded neck, blind, thread2) Materials: Carbon steel, stainless steel, alloy steel3) Standard ... : ANSI, ASME, JIS, DIN4) Size: 1/2"-5, 000mm5) Surface treatment: Transparent oil, rust-proof oil, hot galvanizing ...