Tag Archives: Nickel Alloy

Bolts for municipal waste incinerator: Hastelloy protects from HCl corrosion

Posted on December 12, 2017 by dean

Q:  I’m running a municipal solid waste incinerator and am having trouble with corrosion from a combination of hydrochloric acid and sulfuric acid that is derived from chloride and sulfur containing compounds in the waste fuel stream. I was using Duplex steel bolts for the chloride corrosion but they aren’t holding … Continue reading →

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AL6XN vs Alloy 20 Fasteners: What’s the difference? Which is best?

Posted on June 1, 2017 by dean

These two alloys are often confused as being almost the same, which is almost true. They are both nickel alloys and share many key characteristics. AL6XN and Alloy 20 are alike in that they each retain their strength to about 1000°F. In addition they both perform well, in salt water environments, … Continue reading →

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Inconel 625 vs. 718 bolts: Which Is Best for Your Application?

Posted on March 6, 2017 by dean

Inconel fasteners are commonly used for extreme environments and come in various “flavors” depending on the needs of the application. This brief paper will give you a quick comparison of the two most popular grades, Inconel 625 and Inconel 718 to help you choose the best material.

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