Type 304L Orifice Flanges Is Used In A Wide Variety Of Home And Commercial Applications. 304L Stainless Steel Flanges Is Therefore Used In Food Processing Equipment, Particularly In Beer Brewing, Milk Processing, And Wine Making. Some Examples Of Applications That AISI 304H Slip On Flanges Is Commonly Used For Includes: Heat Exchangers, Boilers, Condensers, And Also It Is Most Commonly Used In Petroleum Refineries. Benefits Of Using Stainless Steel 304H Blind Spectacle Flanges Include: Higher Tensile Yield Strength And Greater Short And Long Term Creep Strength. The Carbon Content Of SS 304H Weld Neck Flanges Is Controlled In The Range Of 0.04 % – 0.10 % For Increased Strength At Temperatures Above 800 Degree F (427 Degree C).