Note: This is a simplification. Real classification requires interpolation from the Schaeffler map.
You’ll need to manually enter coordinates for phase boundaries. Approximate points (Cr_eq, Ni_eq): Schaeffler Diagram Calculator Excel
The Schaeffler diagram is a graphical representation that plots the chromium equivalent (Cr eq) against the nickel equivalent (Ni eq) content of a steel alloy. The diagram is used to predict the microstructure of the steel, including the presence of austenite, ferrite, martensite, and other phases. The Schaeffler diagram is particularly useful for stainless steels and low-alloy steels, where the chromium and nickel content play a crucial role in determining the microstructure. Note: This is a simplification
A is a powerful tool for welding engineers and metallurgists to predict the microstructure of stainless steel weld metals. By automating the calculation of Chromium and Nickel equivalents, you can quickly identify potential welding defects like hot cracking or martensitic embrittlement. Key Functions of a Schaeffler Diagram Approximate points (Cr_eq, Ni_eq): The Schaeffler diagram is
Schaeffler assumes equilibrium solidification. Rapid cooling (high heat input welding) can shift ferrite content significantly. The diagram is a , not a precise predictor.