Guide to Corrosion ...

A Guide to Aqueous Corrosion-Resistance
All alloys listed are resistant to chloride cracking
	★ = Good to excellent		✩ = Acceptable		– = Not suitable
Alloy	Sulfuric Acid	Hydrochloric Acid	Hydrofluoric Acid	Phosphoric Acid	Nitric Acid	Organic Acids	Alkalines & Salts	Seawater
Nickel 200	✩	✩	★	✩	–	★	★	✩
Nickel 201	✩	✩	★	✩	–	★	★	✩
Monel 400	★	✩	★	★	–	★	★	★
Monel K-500	★	✩	★	★	–	★	★	★
Inconel 600	✩	–	✩	✩	–	★	★	✩
Inconel 622	★	★	★	★	★	★	★	★
Inconel 625	★	★	★	★	★	★	★	★
Inconel 690	✩	✩	★	★	★	★	★	✩
Inconel 718	✩	✩	✩	✩	✩	★	★	★
Hastelloy C-276	★	★	★	★	✩	★	★	★
Hastelloy G-3	★	★	★	★	★	★	★	★
Incoloy 800	✩	✩	–	✩	★	★	✩	✩
Incoloy 825	★	★	★	★	★	★	★	★

Note:	This is a guide in common chemistry environment and not suitable for the special situation.

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