ASME B29.300 pdf download Agricultural, Detachable, and Pintle Chains, Attachments, and Sprockets 1 DEFINITIONS link: a one-piece steel link consisting of end bar A,hook B, and two sidebars C-c (see Fig. 2 of B29.6).neasuring load: the load under which a dry or lightlylubricated chain should be measured for length. steel detachable link chain: a series of successively assem-bled steel links...