ASTM B474/B474M-19(2023)

Detail information

Designation: ASTM B474/B474M-19(2023)

Publication date: 01/11/2023

Pages: 6

Country: American technical standard

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Anotation

This specification covers electric fusion welded pipe suitable for high-temperature or corrosive service. The pipes are designated into five classes namely Class 1, Class 2, Class 3, Class 4 and Class 5, according to how they are to be welded. The joints shall be full penetration double-welded or single-welded butt joints employing fusion welding processes. The furnished pipe shall undergo heat treatment and a chemical analysis shall be employed for both plate and weld. Each pipe shall be subjected to transverse tension test, transverse guided weld bend test and hydrostatic pressure test.


Keywords:
fusion welded, high-temperature alloy, pipe,, ICS Number Code 77.150.40 (Nickel and chromium products)