Tag Archives: 17-4PH bolts for high strength

17-4PH Bolts for High Strength

Posted on April 15, 2020 by dean

Q: I have equipment that requires a high strength bolt. Temperature and corrosion are not an issue, solely strength. I had tried Super Duplex thinking that would do the trick, but I’m still having breakage. Any ideas? A: For an application that exclusively requires high strength, you might want to … Continue reading →

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17-4PH for High Strength Applications

Posted on March 3, 2020 by dean

Q: Looking at options to increase the tensile strength for a socket head cap screw. We are currently using grade 8. Would Waspaloy be a good option? A: If you are looking for a fastener with higher strength than Grade 8 Alloy Steel (150 KSI Tensile, 130 KSI Yield), and … Continue reading →

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17-4 Corrosion Resistance and Strength?

Posted on April 3, 2019 by dean

Q: I need a material that offers about 80-90ksi yield but is also corrosion resistant to low concentrations of sulfur acid. I’m tried 17-4Ph but its not working? Any ideas. A: Yes, 17-4PH fasteners are excellent for high strength like you need, but are not really geared for corrosion resistance … Continue reading →

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17-4 Corrosion Resistance to Sulfuric Acid & Inconel

Posted on February 27, 2019 by dean

Q: Are there any materials I can use with the strength of 17-4PH in the H1150 heat treat, but with better corrosion resistant properties. I have low levels of sulfuric acid and chlorides that seem to be attacking the 17-4 steel. A: The best choice for both extreme strength and … Continue reading →

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Overview of Extreme High Strength Fasteners

Posted on November 2, 2018 by dean

Extreme high strength fasteners made from advanced alloys allow industries such as aerospace, mining, and oil & gas to push the limits of what is possible.  With requirements of ultimate tensile strengths beyond 200ksi this newsletter reviews these materials, their specific traits and niches.   17-4 PH Age hardened, 17-4PH … Continue reading →

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