Registered trademark of Haynes International Inc.

High nickel-content steel alloy with excellent resistance to acids.

Hastelloy B - An alloy having a nominal composition of nickel (Ni) 66.7%; iron (Fe) 5%; molybdenum (Mo) 28%; vanadium (V) 0.3%. Hastelloy C - An alloy having a nominal composition of nickel (Ni) 59%; iron (Fe) 5%; molybdenum (Mo) 16%; tungsten (W) 4%; chromium (Cr) 16%. Hastelloy is a registered trademark of Haynes International Nickel Co.