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In-depth articles on metallurgy, materials science, and metal processing — written for engineers and learners alike.

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Heat Treatment

Salt Bath Heat Treatment: Quenching, Tempering, and Neutral Salts

Technical guide to salt bath heat treatment. Covers neutral chloride salts, nitrate-nitrite quench baths, martempering in salt, and health/safety considerations.

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Heat Treatment

Annealing Processes in Steel: Full, Process, Spheroidise, and Normalising

Complete guide to all annealing processes in steel: full annealing, normalising, spheroidising, and process annealing. Covers temperatures, microstructures, and applications.

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Heat Treatment

The Complete Guide to Quenching Steel: Cooling Rates, Media, and Microstructure

Comprehensive guide to quenching steel — TTT diagrams, quench media selection (water, oil, polymer), martensite formation, distortion, and industrial best practices.