1.1 This specification covers a group of requirements which, with the exceptions of Section 5.3, Section 13, Section 20, and Section 21, are mandatory requirements to the ASTM pipe product specifications noted below unless the product This specification covers a general requirements for specialized carbon and alloy steel pipe. Tensile tests, tension tests, flattening tests, hydrostatic tests and ultrasonic tests shall be made to conform to the requirements specified. If the mechanic