C276 Flanges sunt ex Nickel, Chromium, Molybdenum Alloy vocavit properans. In compositionem includit 50.99% Nickel, 14,5% Chromium, XV% Molybdenum et ipsum, Manganese, Silicon, Sulphur, Cobalt, ferrum et phosphoro. C276 Flanges excelsum liquescens punctum MCCCLXX Graduum Celsius.