Jizhong as The stainless steel flange suppliers, Welding Plate Flange are made of carbon steel, stainless steel and alloy steel, etc. They are used to seal or block off a pipe, like a cover or cap. We can provide a wide range of blind flanges, in accordance to standards like ASME B16.5, ASME B16.47, DIN 2634, DIN 2636, and so on. https://archpipes.com/