ASME/ANSI B16.11- 2005- Forged Fittings, Socket-Welding and Threaded

This Standard covers ratings, dimensions, tolerances,marking, and material requirements for forged fittings,both socket-welding and threaded, as illustrated inTables 4 through 8 and Tables I-1 through I-5, inclusive.

1.1.1 Fitting Types/Configuration. Types of fittings covered by this Standard are shown in Table 1, by class and size range. Fittings shown in Tables 4 through 8 and Tables I-1 through I-5 may also be made with combinations of socket-welding and threaded ends.

1.1.2 Special Fittings. Fittings with special dimensions,threads, or counterbores may be made by agreement between the manufacturer and purchaser. When such fittings meet all other stipulations of this Standard, they shall be considered in compliance therewith, provided they are appropriately marked (see para. 4).

1.1.3 Quality Systems. Nonmandatory requirements relating to the product manufacturer’s Quality System Program are described in Nonmandatory Appendix A.