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AS B18-1931
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Cold finished weldless steel tubes
28-06-2021
01-01-1931
Applies to cold finished weldless steel tubes intended primarily for use in the construction of boilers, unfired pressure vessels and their appurtenances, and in types of pipe line constructioin for which such tubes are suitable.
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