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TOLERANCE (Permissible variations in dimensions in accordance with ASTM A312)
Up to 2"NB (21.34mm) - Outside Diameter +0.4mm/-0.8mm Wall Thickness +20%/-12.5%
PLEASE NOTE, THESE ARE THE MAXIMUM ALLOWABLE TOLERANCES AND IN REALITY THE TUBES ARE UNLIKELY TO BE OVER/UNDER BY THESE AMOUNTS, HOWEVER PLEASE CHECK WITH OUR SALES OFFICE IF YOU HAVE A CRITICAL APPLICATION.