Standard
UPDATE AVAILABLE
AS B19-1949
[Superseded]Hot finished weldless steel tubes for boilers and unfired pressure vessels [for designed steam temperatures not exceeding 850 degrees F. (454 degrees C.)]
Applies to hot finished weldless steel tubes intended primarily for use in the construction of boilers, unfired pressure vessels and their appurtenances.
Published: 01/01/1949
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