ASTM B366 Standard Specification for Factory-Made Wrought Nickel and Nickel Alloy Fittings

ASTM B366 Standard Specification for Factory-Made Wrought Nickel and Nickel Alloy Fittings

1.1 ASTM B366 Standard Specification covers wrought welding fittings for pressure piping, factory-made from nickel and nickel alloys. Threaded fittings as covered in ASME B 16.11 are also covered by this specification. The term welding applies to butt-welding or socket-welding parts such as 45 and 90°elbows,180°bends,caps,tees,reducers,lap-joint stub ends, and other types, as covered by ANSI B16.9, ANSI B16.11, ANSI B16.28,MSS SP-43,MSS SP-95 and MSS SP-97.

1.1.1 Class WP fittings are those manufactured to the requirements of ANSI B16.9,B16.11,or B16.28.

1.1.2 Class CR fittings are those manufactured to the requirements of MSS SP-43,MSS SP-95 or MSS SP-97.

1.2 This specification does not apply to cast welding fittings.

1.3 Optional supplementary requirements are provided for fittings where a greater degree of examination is desired. These supplementary requirements call for additional tests. When desired, one or more of these may be specified in the order.

1.4 The values stated in inch-pound units are to be regarded as the standard.The values given in parentheses are for information only.