ASME B29.28 pdf download High-Strength Chains for Power Transmission and Tension Linkages 1 sCOPE This Standard covers roller chains that are specificallydesigned to withstand occasional high shock loads orhigh starting loads that are encountered in certain con-struction equipment and other severe-duty applications.WARNING:Chains covered in this Standard shall not be usedas the primary lifting member, or in the direct drive line...