... all kind of flanges, and we also could make flanges to customer's special drawing. Features1. Type: Slip-on type, blind ... and so on2. Standard: DIN, ANSI B16.5, BS4504, JIS, GB, JB3. Material: ASTM : A105, A350(LF1,LF2,LF3), A182 , F321, F304 ... , C21, RST37.2 JIS: SS400, SF440A , SUS304,SUS304L,SUS316,SUS316L GB: Q235, 16Mn4. Size: DN15-DN1200Packaging: Plywood box ANSI Flanges.