Hi Shabhy, welcome to the forum. Everyone I know who is running a steel sprocket on a rag joint has problems with the chain and spokes. One of the easiest and best updates you can do to your bike is to dump the rag joint and install an adaptor. The adaptor requires a 36h rim and a 4 cross spoke pattern. Also keep a close eye on your chain tensioner. If not properly aliened and secured in place it will cause you a world of grief.
Anything I can do to help.