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 specification specifies different requirements, in which case the requirement of the product specification shall prevail.

1.2 Sections 5.3 or 20 are mandatory if the product specification has a requirement for product analysis or flattening tests.

1.3 Section 21 is mandatory if the product specification has a hydrostatic test requirement without defining the test parameters.

1.4 Section 13 is for information only.

1.5 In case of conflict between a requirement of the product specification and a requirement of this general requirement specification, only the requirement of the product specification need be satisfied.