Steel detachable chain china detachable chain is among the oldest styles chains that are still in use today. Since the early 1900s steel detachable chains have been implemented in agricultural and commercial applications all over the world. They stemmed from the original cast detachable chain style (patented in 1873) and so are manufactured to be light-weight, cost-effective, and durable. USA Roller Chain and Sprockets provides a high-quality line of Metal Detachable Chains (SDC) and steel detachable sprockets. We also have attachments and the easy to use metal detachable chain breaker! Our selection of American standard metal detachable chain is manufactured from a particular hot-rolled strip steel that’s heat-treated for increased power and an extended wear life. This type of chain is created for moderate loads and speeds, it is very easy to restoration and install. Something vital that you note when installing and using steel detachable chain can be that the shut end of the tab should always become towards the sprocket. We share both painted and non-painted SDC chains so when ordering make sure you specify which series you are looking for.