1.1 This specification covers factory-made plastic-lined ferrous metal pipe, fittings, and flanges intended primarily for conveying corrosive fluids. Requirements for materials, workmanship, dimensions, design, fabrication, working pressure and temperatures, test methods, qualification requirements, and markings are included. 1.1.1 This specification does not define the suitability of different liner materials to various chemical and operating environments. Refer to the manufacturer's chemical resistance data for suitability recommendations. 1.1.2 This specification does not include products coated with plastics. 1.2 This specification covers plastic-lined pipe, flanges, and fittings as listed in Table 1. Pressure limitations shall be in accordance with ASME B16 Standards, except reduced pressure limitations may be established by the manufacturer, considering both pressure and temperature limitations of the ferrous metal housing and the sealing ability of the liner. Note 1: In this specification, propylene plastics cover those materials defined as both polypropylene plastics and propylene plastics in Terminology F412. Both materials are identified as “PP” on the product. Note that this is at variance with Terminology D1600, where “PP” is the abbreviation for polypropylene. <