https://www.nickelalloytubes.com/products/high-temperature-pipe-tube-flange.html High-temperature alloy flanges are mainly used in aerospace and energy fields. HIGH-TEMPERATURE FLANGE PROVIDED BY YUHONG As a professional forged flange supplier in China, YUHONG GROUP provides the best ASTM A182/ASME A182 High-temperature alloy flange with material grades F22, F5, F9, F91, etc.All Rights Reserved