... steel flange 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, ... ,GB, HG and so on. 3) Materials (stainless steel) include:1.4301, 1.4306, 1.4401, 1. ... ) other: Special design available stainless steel flange