AS B18-1940
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Cold drawn weldless steel tubes for boilers and unfired pressure vessels [for designed steam temperatures not exceeding 850 degrees F. (454 degrees C.)]
Superseded date
16-05-2023
Published date
01-01-1940
Publisher
Applies to cold drawn weldless steel tubes, intended primarily for use in the construction of boilers, unfired pressure vessels and their appurtenances.
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