Nobody Names the Oil Baked Into the Best Uncoated Frying Pan

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Shoppers who search for an uncoated frying pan usually want one thing: a pan with nothing on its cooking surface but metal. No PTFE, no ceramic sol-gel, no layer that can wear through. All ten pans on this page are carbon steel, and all ten are sold without a synthetic nonstick coating. But read the listings line by line and only one of them arrives as bare steel that it tells you to season yourself. That is the Matfer Bourgeat, whose listing says: “Season the pan according to factory instructions to achieve nonstick properties.”

Eight of the ten say they arrive already seasoned. Seasoning is cooking oil heated on the steel until it polymerises into a hard, dark film. It is not a synthetic coating, and it is what makes carbon steel slick. But it is a layer, and on these eight it was put there before the pan left the factory. OXO says “Start cooking immediately, no seasoning required.” Misen calls its pan “Premium Pre-Seasoned Carbon Steel (Not Carbon Nonstick)”. Made In sells “Seasoned Blue Carbon Steel”. The tenth listing, the American Metalcraft, does not say either way.

Not one of the eight names the oil. Three describe it in general terms. stackbear says “preseasoned with food-grade oil”, one Armorbear says “pre-seasoned with natural oil”, and the other says it “comes pre-oiled”. The other five say pre-seasoned and stop. If you have a reason to care whether a pan was seasoned with soybean oil, flaxseed, canola or something else, none of these listings will tell you. That is the question to put to the seller.

One pan also ships with a coating on purpose. Merten & Storck’s listing says it “Ships with a protective silicone coating, just wash and start cooking”, in the same bullet list that calls the pan pre-seasoned. That is a transit layer against rust, meant to be washed off, not a cooking surface. No listing here mentions a wax coat.

Four go further and treat the steel itself. stackbear, Calmabode and both Armorbears say they are nitrided. Nitriding diffuses nitrogen into the surface of the steel to harden it and slow rust. It is a change to the metal, not a layer sitting on top of it, so a nitrided pan is still an uncoated pan. All four say they are pre-seasoned as well, and one Armorbear listing is unusually careful about the difference: “nitridation is purely for rust resistant durability and does not provide a non-stick effect.”

The rest of the spec sheet is patchy. All ten give a size in inches, from 8.5 to 12, but none says whether that is the rim or the flat base. Eight state induction compatibility, which carbon steel should manage because it is magnetic. Six give a weight. Five give an oven temperature. Only two give a thickness: stackbear a “2mm thick base” and Misen a “thick 2.5mm core”.

So this guide sorts the ten by what each listing says about its starting surface, pre-seasoned, nitrided, bare or silent, and then by the numbers a carbon steel buyer actually needs: thickness, weight, size, induction and oven ceiling. Star ratings and review counts were not captured for this roundup; popularity below is Amazon’s Best Sellers Rank only.

All ten were captured on 5 October 2026. Their overall Best Sellers Ranks run from #868 to #213,711, and the one pan that asks you to season it from bare sits third, at #16,042.

Our Quick Picks

At a Glance

Ten Uncoated Carbon Steel Pans, by What Is on the Steel When It Arrives

Read the first column first: it is what the listing says sits on the surface out of the box. Thickness and oven ceiling are the two numbers most often missing.

#	Model	Arrives As	Thickness	Oven Stated	Best Sellers Rank	Standout	Main Drawback	Check Price
1	OXO Obsidian 10 in	Pre-seasoned	Not stated	660°F	#868 overall	Best rank; highest oven figure; brush included	No weight or thickness stated	View on Amazon
2	Merten & Storck 12 in	Pre-seasoned + silicone transit coat	Not stated	600°F	#3,259 overall	Riveted steel handle; 3.31 lb listed	Silicone coat must be washed off first	View on Amazon
3	Matfer Bourgeat 8.5 in	Bare; season yourself	Not stated	Ovens named, no figure	#16,042 overall	Only truly bare pan; welded handle; France	Smallest here; no acidic ingredients	View on Amazon
4	stackbear 10 in	Nitrided + pre-seasoned	2mm base	600°F	#16,461 overall	Thickness stated; nitrided; acid claim	No weight; outline fields look like bowl only	View on Amazon
5	Made In 10 + 12 in Set	Seasoned blue steel	Not stated	1200F heat claim, not oven-specific	#17,660 overall	Two pans; made in Sweden	3.0 lb listed for a two-pan set	View on Amazon
6	Misen 12 in	Pre-seasoned	2.5mm core	500°F	#52,129 overall	Thickest stated steel; heaviest listing	Lowest stated oven ceiling, with Calmabode	View on Amazon
7	Armorbear 12 in (AM-LTG-12)	Nitrided + pre-oiled	Not stated	Not stated	#112,175 overall	Wooden handle; induction named	No weight, thickness or oven figure	View on Amazon
8	Calmabode 11 in	Nitrided + pre-seasoned	Not stated	500°F, handle removed	#132,287 overall	Detachable handle; hammered finish	Says dishwasher safe, against usual carbon steel care	View on Amazon
9	Armorbear 12 in (XHW-12)	Nitrided + pre-seasoned	Not stated	Not stated	#157,028 overall	Plainest statement on what nitriding does	Induction not stated; no oven figure	View on Amazon
10	American Metalcraft CSFP10	Not stated	Not stated	Not stated	#213,711 overall	Plain restaurant-supply pan; 3.4 lb listed	Three bullets; says almost nothing	View on Amazon

Best Sellers Ranks and specifications are taken from each manufacturer’s Amazon listing as displayed on 5 October 2026 through a United States connection, and may change. “Arrives as” is what each listing says, not what we found. Seasoning and nitriding claims are reported only where the listing makes them. No listing names a specific seasoning oil, and no listing mentions a wax coat. Made In’s 1200F is a general heat claim (“Handles heat up to 1200F”), not an oven rating. The Matfer listing names ovens without a figure; its dimension fields read 0.02 inches and are left out. Sizes are as titled; no listing says whether its size is the rim or the base. Ranks are overall Best Sellers Ranks as returned on 5 October 2026. The Made In set was flagged as scarce stock at capture. Star ratings and review counts were not captured for any product here.

Scroll the table sideways to see every column

How We Chose These Ten

We researched current listings, compared manufacturer specifications and documentation, and read each listing’s claims about its surface, its steel and its heat limits line by line. We did not carry out hands-on testing, and nothing below is presented as measured performance data. Star ratings and review counts were not captured for this roundup. We used Amazon Best Sellers Rank, buy-box stock and listing specifications instead, and nothing on this page describes or implies how owners have scored these pans.

• Uncoated carbon steel frying pans only — every pan here is carbon steel with no synthetic nonstick coating claimed. Cast iron, stainless steel, and pans sold as “carbon nonstick” with a PTFE or ceramic layer were not in the running. A pre-seasoned surface counts as uncoated, because seasoning is polymerised cooking oil, not an applied synthetic finish; we report it on every listing that claims it.
• Starting surface recorded exactly as stated — pre-seasoned, pre-oiled, nitrided, shipped with a protective coat, sold bare for you to season, or not stated. Where a listing names the oil, we record it; none names a specific one.
• Nitriding credited only where claimed — nitriding is a heat treatment that hardens the surface of the steel. It is not a coating, and we credit it to a pan only when its listing says so. Rust or acid claims made for it are quoted, not endorsed.
• Thickness, weight and size as printed — a millimetre figure where one exists and “Not stated” where it does not. Where a field is not credible, such as a dimension of 0.02 inches, we leave it out and say so. Unit conversions and areas are our arithmetic and are labelled.
• Heat sources and oven ceilings as stated — induction is logged only where the listing names it, even though carbon steel is magnetic. An oven figure is logged only where a temperature is given.
• Model numbers compared — we checked every model and part number to make sure no two listings were the same pan. Two Armorbear 12-inch pans look alike but carry different model numbers, so both stay, and we set out the differences.
• Popularity from Best Sellers Rank only — ranks are quoted exactly as returned on 5 October 2026. Eight are ranked in Skillets and two, the Matfer and the American Metalcraft, in Woks & Stir-Fry Pans, so category ranks are not comparable across all ten.
• Verified stock and seller — each pan was the buy-box offer and in stock on amazon.com on 5 October 2026. The Made In set was flagged as scarce stock at capture.

The Ten Uncoated Frying Pans in Detail

Eight Seasoned, One Bare, One Silent

The keyword says uncoated. The listings say something more precise, and it is worth reading closely, because the starting surface decides your first week with the pan. Here is what each listing claims sits on the steel when it arrives, and whether it says what the seasoning is made of.

Eight say seasoned, and none names the oil. That is the central finding of this guide. Pre-seasoning is useful: it means the pan can take an egg sooner and is less likely to rust on the way to you. But it is a layer someone else made, from an oil they do not identify. Three listings come close. stackbear says food-grade oil, the Armorbear XHW-12 says natural oil, and the Armorbear AM-LTG-12 says pre-oiled. The other five say pre-seasoned or seasoned and stop there.

One sells bare steel, and says so. The Matfer is the only listing that asks you to season the pan yourself. If you want to choose the oil, control the number of layers, or simply know that nothing has been put on the steel, this is the pan on the page that guarantees it. The American Metalcraft may be bare too, but its listing does not say.

One ships coated on purpose. Merten & Storck’s protective silicone coating is a transit layer, washed off before use. It is not a cooking surface, and it does not make the pan coated in the way a PTFE pan is coated. It is still the kind of detail an uncoated-pan buyer will want to know before the first wash. No listing here mentions a wax coat.

What this means in practice. A pre-seasoned pan wants a wash, a dry over heat and a thin wipe of oil before its first cook. A bare pan wants several rounds of thin oil heated past its smoke point to build a first layer. Either way, the factory layer is a start, not a finish: every listing that mentions seasoning also says the surface improves with use.

Nitriding Is a Treatment, Not a Coating

Four pans here are nitrided: stackbear, Calmabode and both Armorbears. Nitriding is a heat treatment that diffuses nitrogen into the outer layer of the steel, forming hard iron nitrides in the metal itself. Nothing is added on top. A nitrided pan therefore still counts as uncoated, and a buyer who wants no applied layer can choose one in good conscience. The question is what each listing claims nitriding does, and how much of that to credit.

The Armorbear XHW-12 sets the right expectation. Nitriding is for rust resistance and surface hardness. It does not make a pan nonstick; seasoning does that. All four nitrided pans also arrive pre-seasoned, which is consistent with that reading.

“Rustproof” goes further than nitriding can. The Armorbear AM-LTG-12 calls its surface rustproof. As general guidance, nitriding slows rust a good deal, but carbon steel left wet in a sink can still spot. Dry every pan straight after washing, nitrided or not.

The acid claim is the one to treat with care. stackbear says its nitrided layer “protects the pan even when cooking acidic foods like tomatoes or lemon”. Matfer, at the other end of the page, says do not use acidic ingredients at all. Both can be true of their own pans: nitrided steel resists chemical attack better than bare steel, and bare steel with a fresh seasoning is the most vulnerable surface here. But acid attacks seasoning as well as steel, and a nitrided pan’s seasoning is still oil. We credit stackbear’s nitriding as stated and do not extend that to its seasoning.

Thickness, Weight and Size: What the Listings Give

A carbon steel pan’s behaviour comes down mostly to how much steel it has. Thicker steel stores more heat and spreads it more evenly; thinner steel heats and responds faster. Here is how much each listing lets you know.

Two thicknesses, six weights, ten sizes. Only stackbear (2mm) and Misen (2.5mm) state a thickness. Six listings give a weight. All ten give a size, from 8 1/2 to 12 inches. The last column is our arithmetic: listed weight in ounces divided by the area of a circle of the stated size. It is rough, because handles are included in the weight and the stated size is probably the rim, not the flat base, but it sorts the pans into heavier and lighter for their size.

None of the ten says whether its size is the rim or the base. Carbon steel frying pans have flared sides, so the flat cooking area is usually noticeably smaller than the rim. A 12-inch pan may give you a base closer to 9 or 10 inches; the listings do not say. If base size matters, for example to match an induction zone, ask the seller. For larger pans still, our 14-inch frying pan guide covers the next size up.

The heaviest for its size are the two pans that say least about seasoning. The Matfer and the American Metalcraft lead the weight-per-inch column, and they are the bare pan and the silent pan. The Misen, with the thickest stated steel, comes next. The OXO, the best-selling pan here, gives neither weight nor thickness, so it cannot be placed.

Induction, Oven Ceilings and Handles

Carbon steel is magnetic, so in principle it works on induction. In practice, a listing that names induction is one you can hold to it. Oven use depends less on the steel than on the handle and any sleeve.

Eight name induction. The Armorbear XHW-12 and the American Metalcraft do not. Both are plain carbon steel and likely to work, but if induction is your only hob, buy a listing that says so. Calmabode is the only one to add “Flat bottom”, the detail that matters most on glass and induction.

Five give an oven temperature. OXO 660°F, Merten & Storck and stackbear 600°F, Misen and Calmabode 500°F (Calmabode with its handle off). Made In says the pans handle heat up to 1200F without naming the oven, and Matfer names ovens without a figure. The two wooden-handled Armorbears give nothing, and as general guidance wood is the part most likely to limit oven use. The American Metalcraft is silent. Any of the five stated figures covers ordinary home roasting; the OXO’s gives the most headroom.

Sleeves and covers come off. OXO and stackbear both say their silicone handle covers are removable, and stackbear says to remove it for the oven. Take it off before the pan goes into a hot oven, and use a mitt: a bare metal handle gets as hot as the pan.

Care: Hand Wash, Dry, Oil, and One Dishwasher Claim

Most listings say little about care. Two say hand wash only: OXO, which adds “dry fully after washing”, and Merten & Storck. Calmabode says dishwasher safe, then tells you to dry and oil the pan afterwards. Seven say nothing specific.

As general guidance for every pan on this page: keep carbon steel out of the dishwasher; wash with hot water and a brush, a little soap is fine on an established seasoning; dry it straight away, ideally over low heat; wipe on a very thin film of oil while it is warm; and store it dry. Avoid long simmers of tomato, wine, vinegar or citrus while the seasoning is new, because acid strips young layers and can leave a metallic taste. Matfer is the only listing that prints that warning, but it applies to the factory seasoning on the other eight as well.

The Calmabode’s dishwasher claim is the outlier. It may survive a cycle thanks to nitriding, but its seasoning is oil, and a dishwasher is long, hot and alkaline. We report the claim as stated; we would not test it on a new pan.

Two Armorbears, Two Model Numbers

Two Armorbear 12-inch nitrided pans appear on this page. We checked whether they are one product listed twice. The model numbers say they are not.

Near-twins on paper, separate models by number. They share a brand, a size, a height, a width, a nitrided and pre-seasoned surface and a wooden handle. They differ in model number, wording, length field, texture claim and stated induction. On the listings alone, the AM-LTG-12 is the better-documented of the pair because it names induction. We checked the other eight model numbers too. OXO’s CC011490-001 and Merten & Storck’s CC003337-001 share a numbering format but are different numbers on pans of different size and oven rating. No other pair comes close.

Best Alternatives

What Each Step Up Buys

The plain and bare pans — American Metalcraft and Matfer. Nothing on the steel, or nothing stated, and the two highest weights for their size by our arithmetic. The Matfer adds a documented listing, a welded handle, French manufacture and the only warranty; the American Metalcraft adds a 10-inch size and an Amazon.com seller. Both ask you to do the seasoning.

The pre-seasoned standards — OXO, Merten & Storck, Misen. A factory seasoning and stated oven ceilings from 500°F to 660°F. The OXO buys the best rank, the highest oven figure and a cleaning brush; the Merten & Storck buys 12 inches with a stated weight; the Misen buys the thickest stated steel, 2.5mm, and the most weight.

The nitrided pans — stackbear, Calmabode, two Armorbears. A hardened, more rust-resistant surface under the factory seasoning. stackbear adds a stated 2mm base and a 600°F rating; Calmabode adds a detachable handle and a flat base; the Armorbears add wooden handles, and lose any stated oven figure.

The set — Made In. Two seasoned blue steel pans, made in Sweden, with a 1200F heat claim and induction stated. It buys convenience and provenance; it does not buy a thickness or a clear weight.

What no step buys is a named oil. Whichever pan you choose, if the seasoning’s ingredients matter to you, either ask the seller or buy the Matfer and season it yourself.

What to Check Before You Buy

Decide Whether You Want Factory Seasoning

Eight listings here arrive pre-seasoned; one, the Matfer, arrives bare and tells you to season it; one, the American Metalcraft, does not say. Pre-seasoned saves an evening and makes the first eggs easier. Bare lets you choose the oil and know exactly what is on the steel. Decide which matters more before you compare anything else.

Ask Which Oil Was Used

No listing names a specific seasoning oil. stackbear says food-grade oil, one Armorbear says natural oil and the other says pre-oiled; five say pre-seasoned and nothing more. If you avoid a particular oil, for allergy or preference, put the question to the seller before you order.

Plan to Wash Off Any Transit Layer

Merten & Storck says its pan ships with a protective silicone coating, to be washed off. It is the only listing that says so, but any carbon steel pan may arrive with a protective film. Wash it, dry it over heat and oil it lightly before the first cook.

Read Nitriding as Rust Protection

Four pans are nitrided. Credit them with a harder, more rust-resistant surface, as the Armorbear XHW-12 puts it: nitriding “does not provide a non-stick effect”. Release still comes from seasoning, and stackbear’s acid claim does not extend to the oil layer on top.

Look for a Thickness, Then a Weight

Only stackbear (2mm base) and Misen (2.5mm core) state a thickness. Six listings give a weight, from 2.71 to 4.0 pounds. Thicker and heavier pans hold heat better for searing; thinner and lighter ones respond faster and are easier to toss. If neither is given, ask.

Confirm Induction and the Oven Figure in Words

Eight listings name induction and five give an oven temperature, from 500°F to 660°F. The wooden-handled Armorbears give no oven figure, and the Calmabode’s 500°F applies with its handle removed. Match the stated figure to how you cook.

Ignore the Dishwasher Line

Calmabode says dishwasher safe; OXO and Merten & Storck say hand wash only. As general guidance, every carbon steel pan lasts longer washed by hand, dried at once and wiped with a little oil. Keep acidic dishes short until the seasoning has built up.

Common Mistakes

• Assuming uncoated means bare. Eight of ten listings here arrive pre-seasoned; only the Matfer ships as bare steel for you to season.
• Expecting the listing to name the seasoning oil. None of the ten does; three say only food-grade oil, natural oil or pre-oiled.
• Cooking on a transit coat. Merten & Storck ships with a protective silicone coating; wash it off before the first cook.
• Treating nitriding as nonstick. Four pans are nitrided, and one Armorbear listing says plainly that nitriding does not provide a non-stick effect.
• Trusting a dishwasher claim on carbon steel. Calmabode says dishwasher safe; a cycle can strip a young seasoning even on nitrided steel.
• Simmering tomato sauce in a new pan. Matfer warns against acidic ingredients; new seasoning on any of the ten can strip.
• Putting a wooden handle in the oven. Neither Armorbear gives an oven figure; five other listings rate their pans from 500°F to 660°F.
• Buying by rim size alone. All ten state a size from 8 1/2 to 12 inches, and none says whether it is the rim or the flat base.

Who Should Buy Which

Buy the OXO Obsidian if you want to cook on day one. Pre-seasoned, induction stated, oven safe to 660°F with the sleeve off, an iron brush in the box, and the best rank here by far. Accept that it gives no weight or thickness and comes only in 10 inches.

Buy the Merten & Storck if you want a 12-inch pre-seasoned pan with an all-steel handle. 3.31 pounds listed, 600°F, induction and outdoor cooking stated, sold by Amazon.com. Wash off the silicone transit coat first.

Buy the Matfer Bourgeat if you want bare steel and control of the seasoning. One piece, welded handle, made in France, a 1-year warranty. Accept the 8 1/2-inch size and the work of seasoning it, and keep acids away until it is established.

Buy the stackbear if you want a stated thickness and a nitrided surface. A 2mm base, nitrided, pre-seasoned with food-grade oil, 600°F and induction stated. Accept that it gives no weight.

Buy the Made In set if you want two matched pans in one order. 10 and 12 inches, seasoned blue steel, made in Sweden, induction stated. Ask what the 3.0 pound weight covers.

Buy the Misen if you want the most stated steel in a 12-inch pan. A 2.5mm core and 4.0 pounds listed, pre-seasoned, induction stated. Accept the 500°F oven ceiling and the weight in hand.

Buy the Armorbear AM-LTG-12 if you cook on induction and want a cool wooden handle. Nitrided and pre-oiled, induction named. Treat it as a hob pan; no oven figure is given.

Buy the Calmabode if storage space is tight. An 11-inch nitrided, pre-seasoned pan with a detachable handle, 500°F with the handle off, and a stated flat bottom. Wash it by hand regardless of the dishwasher claim.

Buy the Armorbear XHW-12 if you cook on gas or electric and want a long wooden handle on a large pan. Deep nitrided, pre-seasoned with natural oil. Accept that induction and oven use are not stated.

Buy the American Metalcraft if you know carbon steel and want a plain, heavy 10-inch pan. 3.4 pounds listed, sold by Amazon.com. Plan to season it from scratch; the listing tells you nothing else.

Frequently Asked Questions

Final Verdict

Ten pans are sold as uncoated carbon steel, and eight of them arrive with a layer already on the steel. That layer is seasoning, polymerised cooking oil, not a synthetic coating, and it is the reason those eight can take an egg sooner. But not one of the eight names the oil. Three describe it as food-grade, natural or simply oiled; five say pre-seasoned and nothing more.

Only one listing sells you bare steel and says so. The Matfer Bourgeat tells you to season it according to the maker’s instructions and to keep acids away. The American Metalcraft may be bare too, but its listing does not say. Merten & Storck ships with a protective silicone coat to wash off, the only transit layer any listing admits to. Four pans are nitrided, a hardening treatment of the steel itself, and the best of their listings is honest that nitriding resists rust and does nothing for release.

The numbers a carbon steel buyer needs are patchy. All ten give a size, none says whether it is the rim or the base. Eight name induction, five give an oven figure, six give a weight, and only two, stackbear and Misen, give a thickness. Care advice is thinner still, and the one dishwasher claim on the page is the one to ignore.

If you buy one pan from this page, make it the OXO Obsidian: pre-seasoned and ready to cook, induction stated, oven safe to 660°F with its sleeve off, a cleaning brush in the box and the best rank here by a wide margin. If you want nothing on the steel but what you put there, buy the Matfer Bourgeat and season it yourself.