Steel detachable chain is among the oldest styles detachable chain china chains that remain in use today. Since the early 1900s steel detachable chains have been applied in agricultural and industrial applications around the world. They stemmed from the original cast detachable chain design (patented in 1873) and so are produced to be light-weight, cost-effective, and durable. United states Roller Chain and Sprockets offers a high-quality line of Metal Detachable Chains (SDC) and metal detachable sprockets. We also have attachments and the simple to use metal detachable chain breaker! Our collection of American standard metal detachable chain is produced from a particular hot-rolled strip steel that is heat-treated for increased power and a longer wear life. This type of chain is made for moderate loads and speeds, it is very easy to repair and install. Something vital that you note when setting up and using steel detachable chain is that the shut end of the tab should become towards the sprocket. We stock both painted and non-painted SDC chains so when ordering please specify which series you are looking for.