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Blog Feature

analog pressure gauge | hydroflouric acid

Protecting Monel Pressure Gauges from Stress Corrosion Cracking in Hydrofluoric Applications

By: Alex Froning, Materials Engineering Manager.
February 10th, 2025

Hydrofluoric acid (HF) is well known for its aggressive and hazardous characteristics. That’s why selecting material for these applications is important for ensuring the safety and performance of your instruments and your operation. Ashcroft is a recognized leader in pressure measurement instrumentation and understands the unique challenges of hydrofluoric acid (HF). Read this article to learn about stress corrosion cracking, the comparative properties of Monel® 400 and Monel® K-500, their performance in HF environments, and considerations for using these or alternative materials in applications where corrosion resistance is critical.

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