Cast Iron Pan

Surface Texture - Lodge Cast Iron Pan - Surface Library Digital Metrology

A quality cast iron pan is a great cooking surface that can last for generations. This dataset shows the surface of a new Lodge cast iron pan, which is shown under the Zygo ZeGage microscope, below. 

Surface Texture - Lodge Cast Iron Pan - Surface Library Digital Metrology

The cast iron is a fairly coarse surface. Looking at statistics for the dataset we can see that the Sq value is over 14 µm.

Surface Texture - Lodge Cast Iron Pan - Surface Library Digital Metrology

(By the way, if you want to add statistics to view in OmniSurf3D, click the Show/Hide Parameters toolbar button, then double-click in the right panel to view and add parameters.)

So, how does this compare to other cookware surfaces? The Non-Stick pan dataset, also in this library, provides a good comparison. In the image below, the surface of a Ninja Foodi Never-Stick pan is shown on the left, and the cast iron is on the right. Both are shown with the same vertical scales for a proper visual comparison. While the Sq value is lower for the non-stick pan (just over 6 µm), it is still far from smooth. Surface Texture - Cast Iron Pan vs Non-Stick Pan - Surface Library Digital Metrology

While surface texture is part of the equation, making a surface non-stick requires control of a number of factors. And let’s not forget: given the right lubrication, even a coarse, cast iron pan can create an excellent omelet!

Measured via Zygo ZeGage Plus (10x)

Data source:  Digital Metrology Solutions (www.digitalmetrology.com)

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How to cite

If you use this dataset, please reference it as follows:

Digital Metrology Solutions. “Surface Library.” Digitalmetrology, digitalmetrology.com/dataset/cast-iron-pan. Accessed Feb 29, 2024.