Hastelloy C An International Nickel co. alloy having a nominal composition of nickel (Ni) 59%; iron (Fe) 5%; molybdenum (Mo) 16%; tungsten (W) 4%; chromium (Cr) 16%.
honestly, doing a web search yields very few hits for hatelloy and i'm beginning to wonder if "hatelloy" is a common typo for "hastelloy."
At first I thought it was a typo, I review project submittals - the client is asking for Hastelloy C and the contractor is providing Hatelloy. In checking on the 'net'
I actually found Hatelloy mentioned (not too much data, thus the question and post) Check and read