This standard specifies the test methods for measuring Young's modulus, tangent modulus and chord modulus of metallic materials by static method, as well as normative references, terms and definitions, symbols and descriptions, principles, specimens, test equipment, test conditions , Performance measurement and test report.

The static method part of this standard is applicable to the test method for measuring the Young's modulus, tangent modulus and chord modulus of the elastic state of metal materials at room temperature; the dynamic method part is applicable to the determination of elastic materials with uniform material between -196℃～1200℃ The measurement of dynamic Young's modulus, tangent modulus and chord modulus.