Zirconium, Niobium, Hafnium, Tantalum!

Zirconium, niobium, hafnium, tantalum!  A magical spell?  No, just a list of exotic alloys used in the steel industry that are only a smidgen away from being “unobtainium”.  They are still fun to say even after having spent almost 20 years in the wonderful world of welding. Speaking of unobtainium, […]