ASTM Specification For Tubing & Piping
ASTM Specification for Tubing and Piping Standard Allowable Outside Diameter Variation in mm Allowable Wall Thickness Variation Exact Length Tolerance in mm Testing Nominal Diameter Over Under %Over %Under Over Under ASTM-A213 Under 25.4 .1016 .1016 +20 -0 3.175 0 Flattening Test 25.4-38.1 incl .1524 .1524 +22 -0…