Inconel 601 flanges are made of nichrome. Its material grade varies with the composition ratio. The composition of grade 601 is 58% nickel, 21% chromium, carbon, manganese, silicon, sulfur, copper and iron. And it has different types such as socket welding flange, butt welding flange, Inconel 601 sliding flange, orifice flange and so on. Flanges made of this material are strong, resistant to acids, reducing agents and oxidation, and are harder to resist corrosion in many harsh environments.