... could supply all kind of flanges, and we also could make flanges to customer's special drawing. ... type joint flange,slip-on butt welding flanges, high-pressure flanges, threaded flange and so on2. Standard: ... DIN, ANSI B16.5, BS4504, JIS, GB, JB3. Material: ... F316L,F316Ti DIN: C22.8, C21, RST37.2 JIS: SS400, SF440A , SUS304,SUS304L,SUS316,SUS316L GB ...