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