Steel detachable chain is one of the oldest styles chains that remain 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 initial 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 Steel Detachable Chains (SDC) and steel detachable sprockets. We also have attachments and the easy 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 strength and a longer wear life. This kind of chain is made for moderate loads and speeds, it is very easy to repair and install. Something detachable chain china important to note when setting up and using metal detachable chain is definitely that the shut end of the tab should always be towards the sprocket. We stock both painted and non-painted SDC chains therefore when ordering make sure you specify which series you are interested in.