Nickel alloys are a special class of metals containing high levels of nickel (often greater than 20%). They play a key role in industry for their unique combination of high strength, corrosion resistance to harsh acids (like hydrochloric and sulfuric) and high temperature stability. This two-part newsletter will help summarize the distinct benefits of the most common nickel alloys.

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Oilfields are subjected to a diversity of corrosive elements including carbonic acids, sour gas (H2S), and fracking/stimulant acids such as hydrochloric and hydrofluoric acid. Naphthenic acids and simple organic acids are also found in crude oil extraction. In conjunction to acids, these environments contain sand and other abrasive elements which cause erosion, and hence accelerating corrosion via erosion-corrosion. Water flooding, elevated temperatures and high pressures also contribute to this corrosive environment. Stainless steels such as 304 and 316 often cannot handle these highly corrosive conditions and specialty nickel alloys are needed. This brief blog will discuss the benefits of specialty alloy fasteners that are crucial to preventing oil field corrosion and minimize failures. Continue reading

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hose-industrialthumbnailExtreme bolt offers hose clamps in Titanium and Hastelloy C276. This newsletter overviews the two styles available – worm drive and medium duty – as well as highlight what materials are best for your application.

Titanium Grade 2 hose clamps are in stock and available in the sizes shown here. Hastelloy C276 hose clamps are custom made to order in any size needed.

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hastelloy-grades_smallHastelloy alloys have long been the gold standard of corrosion resistant bolts; only out performed by metals like Zirconium and Tantalum. This family of high performance nickel alloys can handle strong acids like hydrochloricsulfuric, acetic, formic and phosphoric acids, yet each grade actually exhibits its own strengths in dealing with specific acids and niche environments. This blog will highlight the unique benefits of the 4 most common Hastelloy grades used for fasteners: C276C22B3, and C2000. Continue reading

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Which way to go?

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, providing excellent resistance to crevice and pitting corrosion as well as stress corrosion cracking. This is where their similarities actually end. In this brief newsletter, we’ll highlight key differences between AL6XN and Alloy 20, so you’ll know when to select one alloy over the other.

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inconel-vs-monelThey rhyme, are both used in extreme environments, and are both nickel metal alloys, but Monel and Inconel are actually very different. But how?

Let’s start with basic chemistry. Monel is a nickel-copper alloy and Inconel is a nickel-chromium alloy. So what does that mean for your extreme application? We will take a look at a side-by-side comparisons of these two alloys to help you better understand which is best for your challenging application. Continue reading

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cold-weldThread galling is a common yet a seldom understood fastener problem seen by engineers and fabricators. It occurs when pressure and friction cause bolt threads to seize to the threads of a nut or tapped hole. The fasteners are not just overly tight but “cold/contact” welded together. Continue reading

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625-vs-718Inconel 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. Continue reading

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lock-nut-pic-1A lock nut resists loosening from vibrations and torque. Specialty material lock nuts offer the ideal solution to many extreme applications environments. They combine the unique properties of specialty materials, with the secure locking feature of a lock nut to prevent failures in the field. Continue reading

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NASA has been designing rockets and manned space ships for over 50 years, but nothing star-wars-x-wing-fighterlike the innovation needed to build a light-speed, fighter spacecraft. At Extreme Bolt, we supply the aviation industry with a diversity of fasteners made from extreme materials. Though Star Wars is a fictitious story, it is fun to ponder how engineers could construct such advanced vehicles. This quick post will review the top three fastener materials that should be considered to a make fighter that could defeat the Death Star.

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