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Tag Archives: Duplex
Posted on August 16, 2017 by dean
Q: I have down hole application containing sour gas and high chloride levels. The temperature the bolts are exposed to is around 150F and I’m having trouble with cracking. I tried Super Duplex 2507 but am still having issues. Any ideas? A: Super Duplex 2507 does provide good resistance to … Continue reading →
Posted in Application, Corrosion Resistance, FAQs, Material, Specialty Metal Fasteners | Tagged Alloy 925, chloride corrosion, Duplex, Duplex 2507, H2S, Incoloy, Incoloy 925, sour gas, Stress Corrosion Cracking | Leave a comment
Posted on July 5, 2017 by dean
Q: I’m using sodium hypochlorite to control slime and bacteria formation in a power plant water system. It’s in about a 15% solution. I tried using Duplex fasteners thinking they are good with chlorides but I’m having corrosion issues. Any suggestions? A: I think the problem you have is the fact … Continue reading →
Posted on June 6, 2017 by dean
Q: I’m working on a structural project that not submerged in salt water but exposed to moist salt air. I’m not only concerned about the supports having fasteners that won’t corrode but also having a fastener that is high strength. Any suggestions. A: Though I don’t know the specific strength … Continue reading →
Posted in Application, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged Duplex, Duplex 2205, Duplex 2507, Duplex Steel | Leave a comment
Posted on May 24, 2017 by dean
Q: I’m running a steam surface condenser which is installed on a steam turbine in a thermal power station. I’m using sea water that could be contaminated with chemical pollutants cooling water side of the condenser. Any ideas on a good fastener for the tubes and water boxes? A: Duplex 2205 … Continue reading →
Posted in Application, Corrosion Resistance, FAQs, High Temperature Resistance, Specialty Metal Fasteners | Tagged AL6XN, Alloy 2205, chloride corrosion, Corrosion, Crevice Corrosion, Duplex, Duplex 2205, High Temperature, pitting corrosion, salt water corrosion, Steam condenser, steam surface condenser, Stress Corrosion Cracking | Leave a comment
Posted on May 20, 2017 by dean
Q: I’m working on a on a geothermal energy drilling project. Carbon steel we’re currently using to bolt drilling components is failing from corrosion. We have corrosive an environment with high levels of sulfur and salt, as well as temperatures to 260C. Any suggestions? A: Super Duplex 2507 is often used … Continue reading →
Posted in Application, Corrosion Resistance, FAQs, Specialty Metal Fasteners | Tagged Alloy 2507, Crevice Corrosion, Duplex, Duplex 2507, Geothermal drilling, geothermal exploration, geothermal well, Hastelloy, Inconel, pitting corrosion, SCC, Stress Corrosion Cracking, Super Duplex, Super Duplex 2507 | Leave a comment