HIGH QUALITY FLANGE 1>Standard: IS, ASME, DIN ,GB, HG and so on 2>Best quality and price our products have been widely used in the oil refinery,chemical plant,nuclear power,shipbuilding,paper,food and other industries 1) Name: stainless steel flange 2) Standard: JIS, ASME, DIN ,GB, HG and so on. 3) Materials (stainless steel) include:1.4301, 1.4306, 1.4401, 1.4404, 1.4541SUS F304, SUS F304L, ...