The ASTM G70-07 standard describes the bending resistance performance of pipe coatings tested by radial compression of annular samples. This method evaluates coatings for cracking, flaking, or Miscellaneous mechanical damage during bending. It is suitable for thin film coatings with an elongation of not more than 5%. The test results assist in the selection of suitable coating materials, ensuring their durability and Stability in practical applications. The standard specifies the specific implementation steps of the test and the Data analysis method.