Coverage. This specification covers centrifugally cast (CC) and filament wound (FW) glass fiber reinforced thermosetting resin pipe. Quality control tests@ dimensions@ weights@ material and physical properties as well as hydrostatic mill tests are included. Policy. American Petroleum Institute (API) specifications are published as an aid to procurement of standardized equipment and materials. These specifications are not intended to inhibit purchasers and producers from purchasing or producing products made to specifications other than API. Nothing contained in any API specification is to be construed as granting any right@ by implication@ or otherwise@ for the manufacture@ sale@ or use in connection with any method@ apparatus or product covered by letters patent@ nor as insuring anyone against liability for infringement of@ letters patent. API specifications may be used by anyone desiring to do so@ and every effort has been made by the Institute to assure the accuracy and reliability of the data contained in them. However@ the Institute makes no representation@ warranty or guarantee in connection with the publication of any API specification and hereby expressly disclaims any liability or responsibility for loss or damage resulting from their use@ for any violation of any federal@ state 01' municipal regulation 'with which an API specification may conflict@ or for the infringement of any patent resulting from the use of an API specification.