Cookware Materials, Explained
Stainless steel lasts for years and browns food well but sticks, nonstick releases food easily but wears out, and tri-ply is steel bonded around aluminum.
By Amanda RoseContributing writer.
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The short answer
The material of a pan decides how it heats, whether food sticks and how long the surface lasts. Stainless steel and nonstick are the two most common choices in sets, and they suit different jobs: stainless for searing, browning and pan sauces, nonstick for eggs, pancakes and delicate fish.
Of the 61 cookware sets listed in home and kitchen on Wiki Shopping on October 26, 2026, 15 name ceramic as the material, 11 stainless steel and 6 cast iron.
Stainless steel vs nonstick
| Stainless steel (clad) | Nonstick (PTFE or ceramic coating) | |
|---|---|---|
| Food release | Food can stick unless the pan is preheated with fat | Food slides off with little oil |
| Heat | Takes high heat; good for searing | Low to medium heat |
| Utensils | Metal is fine | Plastic, nylon, silicone or wood |
| Surface life | No coating to wear off | The coating wears over time |
Stainless steel does not react with acidic foods such as tomato or wine, but on its own it conducts heat poorly. Wikipedia notes it is about 25 times less conductive than copper, which is why good stainless pans are built around a core of a better conductor.
What tri-ply means
All-Clad describes tri-ply (3-ply) cookware as three layers bonded together: an aluminum core between two layers of stainless steel. The aluminum spreads heat quickly and evenly; the steel gives a durable, non-reactive cooking surface and outside.
5-ply pans alternate more layers of steel and aluminum. According to All-Clad, they hold heat more steadily and feel heavier, while 3-ply responds faster when you change the burner, and more layers do not automatically cook better.
For induction, check the listing: Wikipedia notes that a clad pan needs a magnetic steel outside layer to work on an induction cooktop.
How long does nonstick cookware last?
No standard sets a lifespan, and makers' care pages rarely give one. The coating wears with use, and Wikipedia's advice is to replace a pan once it shows scratches, peeling or visible wear. You can slow the wear:
- Cook over low or medium heat, as All-Clad's care guide says, and never heat the pan empty.
- Use plastic, nylon, silicone or wooden tools, since metal can scratch the coating.
- Wash by hand, even if the pan is labeled dishwasher safe.
Heat limits matter for safety too. Wikipedia notes that PTFE coatings start to break down around 500 degrees F, and an empty pan on high heat can pass that quickly. Ceramic coatings take more heat but, by the same source, tend to wear faster than PTFE.
Other materials
- Cast iron heats slowly but evenly, takes very high heat and needs seasoning to resist rust.
- Carbon steel is made in thinner sheets than cast iron and also needs seasoning and careful drying.
- Copper heats fastest and most evenly, and is usually lined with tin or stainless steel because bare copper reacts with acidic food.
- Hard anodized aluminum is light and heats well, with a hardened, non-reactive surface.
If your stove is induction, our guide to cooktop types explains which pans work on which burners.
How we count
The material counts come from the material each cookware set listing on Wiki Shopping names. Sets whose listing names no material, or another one, are not in those three numbers. The counts change as listings are added or removed.