Chains are metal products consisting of links connected in series. This section presents specialized round link load chains and conventional non-load chains. The load chains are used in lifting equipment and mechanisms, have high strength and large breaking load. Depending on the breaking load, the load chains are divided into classes - the higher the class, the higher the breaking load with the same caliber of the chain.

Conventional non-freight or technical chains are widely used in all areas of the national economy, for example, for fencing, fastening, suspension of various elements and structures. Technical chains, in turn, are divided into long-link, short-link, decorative, etc. Most often, these chains are galvanized to prevent negative environmental influences.