Hastelloy C276 Bolts versus Nickel 200 Bolts

Q: Because Nickel 200 bolts have much higher nickel content than Hastelloy C276 does that mean they are more corrosion resistant than a Hastelloy bolt?
A: No. Though nickel content plays a huge role in corrosion resistance, however there are other elements that contribute to the high level of corrosion protection of a Hastelloy C276 bolt. Hastelloy bolts contain materials like chromium and molybdenum which give it a higher level of general corrosion protection over a Nickel 200 bolt. Though Hastelloy C276 performs better in most hot acid situations, Nickel 200 bolts are known for its excellent performance in caustic alkaline solutions especially caustic soda.
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