Can You Use Steel Wool On Cast Iron: Dos and Don’ts

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Written by: Mohammad Sameer

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Benefits of Using Steel Wool on Cast Iron

Benefits of Using Steel Wool on Cast Iron
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Using steel wool on cast iron cookware can provide several benefits for cleaning and maintenance. Steel wool has slight abrasive properties that make it useful for cleaning cast iron without damaging the seasoning.

Removes Rust and Stuck-On Food

Steel wool can effectively remove rust and scrub off any stuck-on or burnt food particles on cast iron. The fine metal fibers are abrasive enough to lift rust and caked-on food but won’t hurt the seasoning if used properly.

Smooths Cooking Surface

In addition to cleaning, gently scrubbing with steel wool can also provide light abrasion to smooth out the cooking surface of cast iron. This can help restore any rough spots or small imperfections in the pan.

Helps Restore Seasoning

If the seasoning on your cast iron is compromised or flaking off in certain spots, steel wool can help restore the pan. Removing rust and stuck-on food allows you to re-season the pan properly.

Removes Carbon Buildup

Steel wool is useful for removing carbon buildup and burnt food residues that can be difficult to remove with soap and water. The slight abrasion it provides can scrub off the carbonized food.

Cheap and Readily Available

Steel wool is an affordable and accessible cleaning tool. It can be found in any supermarket or hardware store for just a few dollars. Steel wool pads typically come in grades from fine to very coarse.

Versatile Abrasion

The coarseness of the steel wool can be adapted for different cleaning needs. Coarser grades provide more abrasion for heavy rust removal, while finer grades give lighter cleaning for smoother surfaces. The versatility makes steel wool useful for most cast iron maintenance.

Risks of Using Steel Wool on Cast Iron

While steel wool can be useful for cleaning cast iron, there are some potential downsides to be aware of when using it. Overuse or improper scrubbing with steel wool can ultimately damage the pan.

Can You Use Steel Wool On Cast Iron?

Yes, steel wool can be used on bare cast iron pans. However, it should be used with care to avoid potential issues. Coarser grades may be too abrasive on vintage or thinner cast iron.

Leaves Behind Bits of Metal

Scrubbing cast iron with steel wool runs the risk of leaving behind tiny bits of metal that can then rust on the pan surface. These rust spots can be unsightly and tough to remove later.

Can Create Microscopic Scratches

The iron fibers of steel wool are stronger than seasoned cast iron. Over-scrubbing or using coarser grades can potentially scratch the cooking surface. These microscopic grooves are then exposed to rust.

Removes Too Much Seasoning

Being too aggressive with steel wool can strip off seasoning that helps protect the bare iron. This defeats the purpose of seasoning and requires reapplication of oils to rebuild.

Avoid Using on Enamelled Cast Iron

Steel wool should never be used on enamelled cast iron as it can scratch through the glass coating to the bare iron. Use nylon scrubbers on enamelled pans.

So steel wool can be used on traditional cast iron with care, but be cautious not to over-scrub, use coarse grades, or let metal particles remain on the pan. Proper technique preserves seasoning and prevents damage.

How to Clean and Re-Season a Cast Iron Skillet

Can You Use Steel Wool On Cast Iron
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Steel wool can be used effectively to clean and refresh the seasoning on cast iron cookware. Follow these tips for best results when using steel wool on your cast iron.

Use Lighter Grade Steel Wool

Opt for a lighter grade steel wool like 0000 or 000. The finer fibers will clean without being too abrasive on the seasoning. Coarser grades may scrub off too much.

Apply Gently to Problem Spots

Use a gentle touch and focus only on stuck-on food or rusty areas. Avoid scrubbing the entire surface to prevent removing good seasoning.

Scrub With the Metal Grain

Always scrub in the direction of the metal grain on the cast iron. Going against the grain can create deeper scratches.

Rinse and Dry Thoroughly

Rinse thoroughly after scrubbing to remove any loose metal fibers and pat dry immediately so no rust develops.

Re-season After Cleaning

Re-apply seasoning with a thin coating of oil or fat after cleaning. This protects the bare iron from rust.

Avoid Over-Scrubbing Small Areas

Use extra caution on handles or edges which can be more delicate and prone to damage from over-scrubbing.

Test on Inconspicuous Spot First

Before cleaning the entire pan, test steel wool on a small, inconspicuous spot first to gauge abrasiveness.

Strip Heavily Seasoned Pans Completely

For pans with heavy build-up or flaking seasoning, use steel wool to completely strip off all seasoning then re-do.

Apply Multiple Layers When Re-Seasoning

When applying new seasoning, use several thin layers of oil or fat to build up an ideal non-stick patina.

Following these tips will allow you to safely clean and refresh cast iron seasoning using steel wool. Take care not to overdo it, and re-season properly after cleaning.

Alternative Cast Iron Cleaning Methods

While steel wool can be very useful for cast iron maintenance, there are other effective cleaning options that avoid the risks of using steel wool. Here are some alternative methods to safely clean cast iron:

Salt Scrub

Make a paste with kosher salt, water and a bit of oil to gently lift debris. The salt is abrasive enough to clean without damaging seasoning. Rinse thoroughly after scrubbing.

Baking Soda

A paste of baking soda and water can help lift burnt-on food residues. Baking soda is also mildly abrasive but won’t harm seasoning.

Cast Iron Cleaning Spray

Specialized cast iron cleaning sprays are now available. The formula helps dissolve stuck-on food without soap. Spray, let sit, then scrub with a nylon brush.

Nylon Brush or Scrubber

For light cleaning, a nylon brush or scrubber gets the job done without any risk of metal bits sticking. Safe for all cast iron.


Though vinegar’s acidity can technically remove rust and food grime, it’s risky for stripping seasoning. Use conservatively and re-season immediately after.

These methods provide safer cleaning for cast iron than steel wool in most cases. Gently removing stuck-on food while preserving seasoning is key for cast iron maintenance.

Maintaining Seasoning After Using Steel Wool

When cleaning cast iron with steel wool, it’s important to take steps afterwards to maintain and rebuild the protective seasoning layer. Here are some tips to keep your cast iron properly seasoned after using steel wool:

Dry Immediately and Apply a Thin Oil Layer

As soon as you’ve rinsed and scrubbed the cast iron with steel wool, be sure to dry it thoroughly with a clean towel. Allowing the bare metal to air dry can lead to flash rusting in spots where seasoning was removed.

Once dry, apply a very thin layer of oil over the cooking surface. Oils like canola, vegetable, flaxseed or shortening work well.

Use a clean paper towel to rub the oil across the entire skillet, making sure to coat any spots where the seasoning was scrubbed off. This helps protect the iron from rusting. Let the oil coat sit for at least an hour before heating.

Place Upside Down in a Low Oven for an Hour

After applying the post-cleaning oil coat, place the cast iron pan upside down in an oven set to around 250°F for an hour.

This allows the thin oil layer to bake on the iron, creating a preliminary foundation of seasoning. With the pan upside down, excess oil can drip off evenly rather than pooling.

Be sure to use a lower oven temperature as too much heat too soon after scrubbing can damage the iron. One hour in a low oven polymerizes the fresh oil coat into a protective layer.

Apply New Layers of Seasoning Regularly

One round of oven seasoning won’t be enough after using steel wool. Plan to add new layers of seasoning regularly after cleaning with steel wool.

Repeating the process of applying fresh oil coats and baking upside down in the oven will build up seasoning.

Aim to add at least 2-3 layers over the next few uses following steel wool scrubbing. This progressively improves sheen and non-stick quality.

Don’t let the pan sit unused for long after cleaning or rust can develop from inadequate seasoning.

Avoid Excessive Steam Cleaning After Steel Wool Use

Be cautious using your cast iron for steaming or boiling water right after scrubbing off seasoning with steel wool.

The steam can more easily penetrate bare spots and lead to flash rust.

Give the seasoning a chance to build back up over several oven seasoning sessions before exposing the pan to steam again. Quick rust can develop on freshly scrubbed iron from steam moisture.

Use Oil or Fat When Cooking After Scrubbing

When cooking in your cast iron after using steel wool, include some oil or fat in recipes. The fat will help condition and reinforce the seasoning as it cooks. Avoid recipes using just water or broth initially which don’t add any oil.

Frying or sautéing in oil, cooking meats, roasting oily foods, or baking greasy dishes all help boost the seasoning layers. Each use further develops the non-stick patina.

Taking these steps after cleaning cast iron with steel wool ensures the seasoning foundation remains strong. With proper care, the cookware will develop an even, long-lasting seasoning coat.

Signs Your Cast Iron Seasoning Is Damaged

Maintaining the protective seasoning layer on cast iron cookware is essential to its performance and preventing rust. Here are some of the most common signs that your cast iron’s seasoning may be compromised and in need of repair:

Food Sticks to the Cooking Surface

The number one sign your cast iron seasoning is not up to par is food sticking when cooking. If foods that should easily release, like eggs, pancakes or meat, stick stubbornly instead of gliding off the pan, it usually means the polymerized oil layer is damaged.

Seasoning works when the oil layers create a smooth, non-porous surface. Weak spots in the seasoning leave tiny pockets for food to cling to. Re-seasoning to fill in the porous gaps can help restore non-stick ability.

Visible Metallic Gray Spots

Seeing metallic gray spots where seasoning is missing is another giveaway. These grayish patches stand out in contrast to the dark black patina of good seasoning. They indicate spots where oil layers have been scrubbed or flaked away, exposing the raw iron underneath.

Target re-seasoning on any dull gray spots to bring them back up to the same seasoned finish as the rest of the pan. With use, they should blend in seamlessly.

Rust Spots Are Visible

Perhaps the most severe sign of seasoning trouble is actual rust forming on the cooking surface. Orange or reddish rust usually appears in patches where seasoning has peeled away or flaked off from damage. Porous iron is exposed in these spots, allowing surface oxidation.

Rust needs to be removed as soon as possible before it spreads using steel wool or other abrasives. The pan then must be re-seasoned to prevent ongoing rust issues.

Cooking Surface Feels Rough

Running your hand over an evenly seasoned cast iron pan will feel glassy smooth. If certain areas feel rough and bumpy in texture, it can indicate uneven seasoning buildup.

High spots are prone to chipping and flaking off, leading to damage. Refinishing with finer grades of sandpaper can level out the rough patches before re-applying protective seasoning.

Oil Beads Up and Doesn’t Spread Evenly

When you add oil to a well-seasoned pan, it should spread out smoothly in a thin layer. If the oil beads up in certain spots and doesn’t coat evenly, it’s a sign of seasoning problems.

Oil repelling shows the polymerized layers are compromised and failing to do their job. Stripping and re-seasoning from scratch will provide the most durable fix.

When to Avoid Using Steel Wool on Cast Iron

When to Avoid Using Steel Wool on Cast Iron
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While steel wool can be an effective cleaning tool for cast iron in many situations, there are certain times when it’s better to avoid using it. Here are some cases where steel wool is not recommended:

Vintage Collectible Pieces

On rare, vintage cast iron that is collectible or antique, refrain from using steel wool. The coarse fibers could scratch the delicate surface and diminish value for collectors. Stick to gentler nylon scrubbers instead.

For prized antique pieces, avoid abrasives and use more protection during seasoning to maintain the cookware’s historical qualities. Scrubbing vintage cookware risks erasing that irreplaceable character.

If the Pan is Badly Warped

Severely warped or uneven cast iron can become more damaged if scrubbed aggressively with steel wool. The wool can catch on high points and gouges, causing further warping.

For pans with extreme warping issues, hand-sanding and seasoning may work better than steel wool scrubbing. Take care not to exacerbate high and low spots.

Enameled Cast Iron

Never use steel wool on enameled cast iron as the coarse fibers will scratch through the porcelain enamel exterior. This permanently damages the finish.

Enamel coatings require non-abrasive cleaning methods to avoid wearing down the glossy surface over time. Stick to nylon brushes, sponges or soft cloths instead.

New Unseasoned Cast Iron

On brand new, unused cast iron that has not yet been seasoned, avoid steel wool. The pan’s virgin cooking surface is unprotected at this stage.

Wait until after the initial seasoning process is complete to use steel wool for cleaning stuck-on food etc. Preserve the bare iron until layers of oil are polymerized.

If Over-Scrubbing Damages Seasoning

If you notice your attempts to clean with steel wool are removing too much seasoning, discontinue use. Switch to a more gentle nylon-based scrubber instead.

Over-zealous scrubbing with steel wool defeats its purpose. Excess removal of seasoned layers leads to further problems.

Steel wool is not universally suited for all cast iron cleaning. Carefully consider the cookware’s condition and type before using steel wool. In certain cases, it should be avoided to prevent unnecessary damage.

FAQs: Can You Use Steel Wool On Cast Iron

Is it OK to use steel wool on cast iron?

Yes, steel wool can be used on traditional cast iron pans. But it should be a finer grade steel wool like 000-0000 to avoid excessive scratching. Use gently and focus only on stuck-on bits, not the entire surface.

How do you fix CAST IRON that has rusted?

To remove rust on cast iron, scrub with steel wool to get down to the bare metal. Rinse, dry thoroughly and re-season the pan inside and out. Multiple layers of seasoning help prevent rust from recurring.

Does STEEL WOOL remove seasoning from cast iron?

Excessive scouring with steel wool can potentially remove seasoning if you aren’t gentle. Focus only on stuck-on spots, not the whole pan. Re-season after cleaning to maintain the protective coating.

What happens if you use steel wool on CAST IRON?

Used properly, steel wool can clean CAST IRON without issue. But over-scrubbing or using coarser grades may leave scratches or metal particles behind. It can also strip seasoning if overused. Proper technique prevents problems.


using steel wool on cast iron can be effective for removing stubborn residue, but it requires cautious handling to prevent potential damage.

Prioritize gentle scrubbing and opt for finer grades of steel wool to preserve the seasoned layer.

Remember, a mix of mild soap, warm water, and nylon brush might be a safer choice.

For optimal care, explore our comprehensive guide on maintaining cast iron cookware. Make informed decisions to prolong your cast iron’s lifespan while embracing its versatility in the kitchen.

Discover more expert tips and tricks for kitchenware maintenance by joining our community today!

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About Mohammad Sameer

My name is Mohammad Sameer, the founder of SoundproofGears. My hypersensitive hearing turned me into a lifelong seeker of silence. After years of research, I've become an expert on soundproofing techniques and materials. In November 2022 I launched this site to share my knowledge and help others find acoustic sanctuary. About More