Steel detachable chain is among the oldest designs detachable chain china chains that remain in use today. Since the early 1900s steel detachable chains have been implemented in agricultural and industrial applications all over the world. They stemmed from the original cast detachable chain design (patented in 1873) and so are manufactured to be light-weight, economical, and durable. USA Roller Chain and Sprockets offers a high-quality line of Steel Detachable Chains (SDC) and steel detachable sprockets. We also have attachments and the simple to use metal detachable chain breaker! Our selection of American standard steel detachable chain is manufactured from a special hot-rolled strip steel that is heat-treated for increased strength and an extended wear life. This type of chain is designed for moderate loads and speeds, it is very easy to restoration and install. Something important to note when setting up and using metal detachable chain is definitely that the shut end of the tab should always end up being towards the sprocket. We stock both painted and non-painted SDC chains so when ordering please specify which series you are looking for.