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Monthly Archives: July 2017 here
Hastelloy 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 hydrochloric, sulfuric, acetic, formic and phosphoric acids, yet each grade actually exhibits its own strengths in dealing with specific acids and niche environments. … Continue reading
Posted in Blog, Material, Specialty Metal Fasteners, Uncategorized Tagged Alloy B3, Alloy C2000, Alloy C22, Alloy C276, Boiling Acid, Corrosion, H2SO4, Hastelloy, Hastelloy B3, hastelloy C2000, Hastelloy C22, Hastelloy C276, HCl, Hot Acids, Hydrochloric Acid, nickel alloys, oxidizers, Oxidizing, Sulfuric Acid Leave a comment
Q: What exactly is the difference between Titanium grade 2 and 5 fasteners? A: The primary difference is strength. A titanium grade 2 fastener is made of commercially pure titanium where as a grade 5 fastener is a titanium alloy with 6% aluminum and 4% vanadium. This helps to provide Grade 5 … Continue reading
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Q: I’ve been using Monel bolts to attach a steel platform in a seawater situation, but have experienced some mild corrosion. Not sure why and any suggestions on a better material? A: Monel is excellent in sea and salt water conditions. Two scenarios could have caused the corrosion. First, if … Continue reading
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Q: I have a load bearing application in that requires a material that can handle temperatures at plus/minus 600C? Would Titanium grade 5 work? I know it’s super strong. A: Titanium is a strong material, especially grade 5 which is half the weight and 4 times as strong as 316 steel, … Continue reading
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Q: I was planning on using Hastelloy C276 in hot sulfuric acid. It would be approximately 50% concentration around 100F +/- 10 degrees. Will this be okay? I’m just concerned because I read that it cannot handle strong oxidizing environments and I’ll be using it in an application where its … Continue reading