API5000

api 5000Beware, some suppliers and manufacturers supply normal A105N 36K material flanges stamped as 3,000 or 5,000, these interconnect with API sizes (example a 2 ANSI A105 1500 class flange rated at 3,700 psi CWP is the same asAPI 6A flanges of class 5000 and below are often made of A105 carbon steel with a minimum yield strength of 45K, while API 6BX flanges of class 10000