ASTM International - ASTM A672-96(2005)
Standard Specification for Electric-Fusion-Welded Steel Pipe for High-Pressure Service at Moderate Temperatures
|Publication Date:||1 October 2005|
1.1 This specification covers steel pipe: electric-fusion-weld
1.2 The specification nominally covers pipe 16 in. (405 mm) in outside diameter or larger with wall thicknesses up to 3 in. (75 mm), inclusive. Pipe having other dimensions may be furnished provided it complies with all other requirements of this specification.
1.3 Several grades and classes of pipe are provided.
1.3.1 Gradedesignates the type of plate used.
1.3.2 Classdesignates the type of heat treatment performed during manufacture of the pipe, whether the weld is radiographically examined, and whether the pipe has been pressure tested as listed in .
1.3.3 Class designations are as follows (Note 01:
Selection of materials should be made with attention to temperature of service. For such guidance, Specification A 20/A 20M may be consulted.
1.4 The values stated in inch-pound units are to be regarded as the standard.