Not sure if this helps you, but I have one of the cheap tungsten carbide rings and it has held up fine over the past 3 years. I would say I work with my hands a lot and I do not go easy on it.

This is similar to what I have: http://www.amazon.com/Tungsten-Mens-Plain-Dome-Wedding/dp/B009PFJ1YC/ref=sr_1_13?s=apparel&ie=UTF8&qid=1447934595&sr=1-13&nodeID=3887881&keywords=tungsten+carbide+ring