In-depth articles on metallurgy, materials science, and metal processing — written for engineers and learners alike.
Free Ms temperature calculator for steel. Uses Andrews (1965), Steven-Haynes (1956), and Barbier (2012) empirical equations to predict martensite start temperature from steel composition.
Free Ac1 and Ac3 critical temperature calculator for steel heat treatment design. Uses Andrews (1965) empirical equations to predict austenitising temperature range from steel composition.