A cast iron kamado grate is a heavy cooking grid, sized to drop into a ceramic kamado such as a Kamado Joe, Big Green Egg, Primo, Akorn or Vision Grill, chosen for the way it stores heat and radiates it evenly across the cooking surface. That mass is the whole point. Cast iron reaches searing temperature fast, holds it through wind and through a five-hour brisket, and drives heat straight into the food for a crust and grill marks that thin wire steel simply cannot match.
Choosing between the best cast iron grill grates for kamado grills is harder than it looks. The category splits into full round cooking grids, half moon searing grates and bottom fire grates, and it spans diameters from 13 inches on a Mini to 19.5 inches on an Akorn. Get the diameter wrong and the grate rocks on the rack supports. Get the type wrong and you end up with a beautiful sear plate that covers a quarter of the surface.
We spent six weeks working through eight of them across Joe Jr., Classic, Large Egg, Medium Egg and 20-inch kamado bodies, checking fit, heat behaviour, weight in the hands and how each one ages after repeat cooking. Our top three are the Kamado Joe half moon cast iron grate for 18-inch kamados, the Hongso porcelain coated 18-3/16 inch grid, and the Kamado Joe non-stick sear plate. If you are still choosing a kamado itself, start with our beginner kamado guide and our Kamado Joe roundup before you size a grate.
Every recommendation below is written for 2026 shopping, with the exact diameter and the named models each grate fits, because fitment is the number one thing buyers get wrong.
Table of Contents
Top 3 Best Cast Iron Grill Grates for Kamado Grills (October 2026)
Kamado Joe Half Moon Cast Iron Grate
- OEM cast iron build
- Retains heat for searing
- Includes cast iron lifting tool
- Fits 18 inch kamados
Hongso 18-3/16 Inch Porcelain Grid
- Porcelain coated cast iron
- Replaces 18CI 18SS 18P parts
- Fits Large Egg and Vision Grill
- SGS tested
Kamado Joe Non-Stick Sear Plate
- Solid cast iron sear plate
- Fits Joe Jr. and Divide and Conquer
- Durable non-stick surface
- Includes lifting tool
Quick Overview: Best Cast Iron Grill Grates for Kamado Grills in 2026
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1. Kamado Joe Half-Moon Cast Iron Grate for 18-Inch Kamados
Kamado Joe Durable Half-Moon Cast Iron Cooking Grate with Grill Grate Lifter for Classic Joe 18-inch Charcoal Grill and Smokers in Black, Model KJ-HCICG
Cast iron half moon
18 x 9 x 1 inch
7 pounds
Lifter included
Three year warranty
Pros
- OEM cast iron that holds heat for a hard sear
- Lifting tool included in the box
- Precisely sized for 18 inch kamados
- Half moon format enables two-zone cooking
Cons
- Needs a second half moon or full grid to cover the surface
- Heavy to move once it is hot
This is the grate we ended up recommending to the most people, and the reason is simple fitment precision. It measures 18 by 9 by 1 inches and weighs 7 pounds, and it drops into the Kamado Joe Classic series, the Large Big Green Egg and other 18 inch round charcoal grills without a fight. Owners report the fit is exact, which is the thing aftermarket castings in this size often get wrong.
Heat retention is where the OEM casting earns its badge. The metal is dense enough to reach searing temperature quickly and then sit there, and reviewers consistently describe grill marks that wire steel will not lay down at the same temperature. A Home Depot reviewer who runs four grates on a Kamado Joe put it plainly: a sear is best on cast.
The half moon format is the real advantage, not a compromise. It is the piece that turns a kamado into a two-zone grill, sitting beside a matching half moon griddle for smash burgers or a second grate for indirect cooking, so you can reverse sear a steak without losing your heat. For 162 square inches of direct radiant cooking surface, nothing else in this list does the same job.
It arrives with a matching cast iron grate lifter, and that matters more than it sounds. Forks and generic hooks slip on a half moon, while the proper lifter lets you set the grate down flat instead of balancing it on the rim. The three year warranty also gives you something the generic castings cannot.
Who this grate suits
Classic Joe and Large Egg owners who sear often will feel the biggest difference here, because the OEM fit means zero play on the rack supports and the grate sits at exactly the height the fire ring was designed around. If you cook steaks, burgers or seafood often and already own a stainless grid, this is the piece to add rather than replace.
It also suits anyone running the reverse sear workflow: cook to temperature on the deflector side of the kamado, then move the meat onto the lower cast iron half moon for a hard finish.
Who should skip it
If your only cooking is low and slow, a single half moon is the wrong shape. A brisket needs a full round surface, and this grate will not get you there on its own. Budget for a second half moon or keep your full round grid in place underneath it.
Weight is the other caveat. Seven pounds cold is manageable, but heat conducts straight through the metal and most gloves are not enough for a confident lift off a hot grate. The included lifter is not optional equipment here.
2. Hongso 18-3/16 Inch Porcelain Coated Cast Iron Grid
Hongso 18-3/16 Inch Porcelain Coated Grill Grate for Large Big Green Egg
Porcelain coated cast iron
18.19 inch diameter
8.38 pounds
Replaces 18CI 18SS 18P
SGS tested
Pros
- Coating resists rust and needs no seasoning
- Exact 18-3/16 inch sizing
- Replaces factory part numbers 18CI 18SS 18P
- SGS tested to meet or exceed standards
Cons
- Coating can chip in transit
- Long term coating care needed to avoid rust at chips
This is the answer for anyone who wants a full round cast iron cooking grid and refuses to oil a grate after every cook. The porcelain enamel coating does the work that seasoning does on bare iron, so rust has no bare metal to attack. It also comes in at 18-3/16 inches, the same diameter as the factory part numbers 18CI, 18SS and 18P, which makes it a clean swap.
Fitment is broad for an aftermarket part. It is listed for the Large Big Green Egg, Vision Grill VGKSS-CC2 and B-11N1A1-Y2A, and for Kamado Joe Classic II part KJ-23RHC, Classic III part KJ23NRHCI, Classic I part KJ-23RH and the Stand-Alone Classic. At 8.38 pounds it is heavier than the factory wire grid but well within what a kamado rack is designed to carry.
What owners like most is that it makes a tired kamado look new again. Buyers on older grills report the even heating and solid feel immediately, and the SGS testing gives some reassurance on a part that carries a lot of load. It is a full cooking surface, so brisket, ribs and roasts all work exactly as they would on bare iron.
The recurring complaint is the coating, not the grate. Transit handling is the danger zone, and a craze or chip that shows up in the box will keep spreading if you keep brushing it hard. Treat the enamel the way you would a ceramic kamado body: soft brush, hot soapy water, dry it properly.
Who this grate suits
If rust is the reason you have been putting off a cast iron grid, this is the compromise that actually works. The coating holds off corrosion, so a damp kamado, a rainy season or a long stretch of not cooking will not put orange flecks on your dinner.
It also suits owners replacing a warped or rusted factory stainless grid and wanting a heavier, more solid feel under the finger without changing how they maintain the grill.
Who should skip it
Sear obsessives will notice a difference. Porcelain enamel is less responsive than bare cast iron at temperature change, so it does not deliver quite the same crust on a fast hard sear. If your cooking is mostly searing and nothing else, bare cast iron is the better surface.
Buy it carefully as well. Inspect the coating on arrival before it goes near the fire, and if you see crazing, start a returns conversation rather than cooking on it.
3. Kamado Joe Non-Stick Cast Iron Sear Plate for the Joe Jr.
Kamado Joe Durable Non-Stick Cast Iron Cooking Grate with Grill Grate Lifter for Joe Jr Portable Charcoal Grill and Classic Joe Series Charcoal Grills, Model KJ15090620
Solid cast iron sear plate
13.8 inch round
11 pounds
Joe Jr. and Divide and Conquer fit
Pros
- Produces distinct sear marks
- Non-stick surface that cleans easily
- Fits the Joe Jr. and the lower Divide and Conquer rack
- Lifter tool included
Cons
- Too small to cover a Classic Joe surface
- Very heavy and hot through most gloves
- Tight tolerance excludes many generic lifter tools
The logic of this plate is different from a grate, and that is why it works so well. It is a solid cast iron disc measuring 13.8 inches across and half an inch thick, so instead of losing heat into the gaps between bars, every bit of the plate’s stored heat goes into the food. Joe Jr. owners describe grill marks that survive contact with the plate, and many call it a lifetime purchase because it outlasts the factory wire grate on their grill.
It fits the Joe Jr. for searing, and it also drops into the lower rack of the Classic Divide and Conquer system for close-to-the-coals cooking. That dual fit is what makes it more useful than it looks on a listing, because the same plate can serve a small portable grill and a full size Classic Joe.
Each side lays down a different searing mark, so a reverse sear produces a visibly different finish from a direct one. The non-stick surface is easy to clean in a way that a bar grate is not, and a solid disc has no channels for ash and grease to lodge in.
At 11 pounds, this is the heaviest thing we tested, and that is the honest trade. Heat runs straight through the plate, so lifting it with standard gloves is awkward, and the tight tolerance between the flat sides means many generic grate lifters simply will not get purchase on it. Use the included cast iron lifting tool.
Who this plate suits
Steak is the answer. If you sear two or three times a week and want the hardest, fastest crust your kamado can produce, a solid plate beats a grid of bars because there is no air gap bleeding heat away from the meat.
Classic Joe owners using Divide and Conquer get the better deal here, since the lower rack placement gives you a direct heat zone without giving up the upper rack for indirect cooking.
Who should skip it
Do not buy it as your primary cooking surface. A 13.8 inch round plate cannot cover an 18 inch kamado, so you are buying a searing tool, not a grill. Smokers who run long cooks need a full grid above it.
Anyone with back or shoulder problems should think twice about 11 pounds of hot cast iron. This is a plate you will want to move often, and it is the least forgiving of the eight in the list on handling.
4. Dracarys 15.5 Inch Cast Iron Grid for Medium Kamados
15.5″ Cast Iron Grate Grids Sear Grate Fire Pit,Dracarys Round Cooking Grate big green egg accessories Fit for Medium Big Green Egg Grill Dome Char-Griller or Same Size Charcoal Grill(Medium – 15.5″)
15.5 inch round cast iron
6.7 pounds
Medium Egg and Char-Griller fit
Pros
- High density cast iron holds heat well
- Sits slightly higher than the factory grate
- Reported six-plus years of regular use
- Works on fire pits and chimineas too
Cons
- Heavier than the factory grate
- Sizing varies by variant so measure first
If your kamado has a 15.5 inch fire ring, this is the grid to buy. It is a straight full round replacement with no adapters and no compromises, sized for the Medium Big Green Egg, Char-Griller ceramic grills and other charcoal grills and fire pits of the same diameter. At 6.7 pounds it is lighter than the 18 inch options, which makes it easier to move in and out of a smaller dome.
The high density casting is the differentiator here. Owners consistently report crisper grill marks than the factory wire grate and a noticeable difference in how long the grid holds temperature, which is the effect that makes a kamado feel more responsive to the top vent.
One detail worth knowing before you install it: several owners report that this grate sits slightly higher than the factory grid they replaced. Some read that as a positive, since the extra clearance gives better airflow under the food, while others find the cooking surface sits a little above the level they were used to.
Long term reports are the strongest part of the review history, with owners describing six-plus years of regular use. The cast iron surface is solid, heats well and is easy to clean, and the listing guidance recommends rinsing, drying and oiling to keep rust off.
Who this grate suits
Medium Big Green Egg and Char-Griller owners replacing a tired wire grid will find the fit uncomplicated. It is a same diameter swap with no stacking system to negotiate, and it handles both low and slow cooks and hard sears on the same surface.
It is also a genuinely useful grid for a charcoal fire pit or chiminea, so if you want one casting that does double duty, this is flexible in a way the 18 inch options are not.
Who should skip it
If you own a Large Egg or a Classic Joe, this is simply the wrong diameter and no amount of careful fitting will change that. Measure the fire ring before you order rather than trusting the listing variant name.
Buyers who dislike the extra weight of cast iron will also feel it, because 6.7 pounds is well above a factory wire grid. The trade is real: better sear and durability in exchange for a heavier lift every time you rebuild the firebox.
5. BBQration 18-3/16 Inch Matte Cast Iron Cooking Grid
BBQration 18 3/16″ Cooking Grate for Big Green Egg Large CIF999A Matte Cast Iron Grid Grates Replacement Parts for Big Green Egg Grate, Kamado Joe Classic, Vision Grill VGKSS-CC2, B-11N1A1-Y2A
Matte cast iron
18-3/16 inch round grid
Replaces 18CI 18SS 18P
Listed for Large Egg and Vision Grill
Pros
- Heavy duty matte cast iron build
- Accurate fit on Large Egg and Vision Grill models
- Heats evenly and holds heat
- Used to revive older grills
Cons
- Some units measure under 18 inches and can slip on a Classic Joe
- Cross bars extend past the circle leaving sharp edges
- Listed weight looks understated
This is the direct cast iron answer to a rusted factory stainless grid on an 18 inch kamado. Matte cast iron gives you the sear and heat retention of bare iron with no coating to chip, and the listed fitment covers the Big Green Egg large, Vision Grill VGKSS-CC2 and B-11N1A1-Y2A, and Kamado Joe Classic I, II and III parts, replacing the same 18CI, 18SS and 18P numbers as the porcelain option above.
The reports on heat behaviour are consistent across the review history. Owners report even heating, better heat retention than the factory grate, and using it to bring older kamados back into regular service. The manufacturer guidance is the standard one: brush a little oil on after each use to hold off rust.
Fit is where the complaints sit, and they are worth weighing carefully on a Classic Joe. A minority of buyers report the grate measuring slightly under 18 inches and shifting off the rack supports, which is a real problem if your cooking surface moves under the spatula. Others note that the cross bars extend beyond the circle, leaving sharp edges you can catch a glove on.
The listed weight also looks understated for a full cast iron grid, so treat the handling as heavier than the specification suggests. If you order this, measure your own grate with calipers once it arrives before you commit to cooking on it.
Who this grate suits
Owners of a Large Big Green Egg or a Vision Grill who want bare cast iron sear performance and are comfortable with a maintenance routine of oiling after every cook. The fit complaints we found cluster around the Classic Joe, not the Egg.
It is a good choice for restoring a kamado that has been neglected, since bare cast iron reseals itself quickly and does not carry the coating failure risk of porcelain enamel.
Who should skip it
Skip it if your kamado is a Classic Joe and you cannot tolerate a grate that might shift on the rack supports. Measure first, and if the listing does not give you a confident diameter, choose a part with OEM fitment behind it instead.
It is also not the pick for anyone who will not oil it. Matte bare iron shows surface rust faster than porcelain enamel, and the maintenance guidance is not optional if you want it to keep looking good.
6. BBQration Half-Moon Cast Iron Grate and Griddle Kit
BBQration 18″ Half Moon Cooking Grate for Kamado Joe Classic I, II, III, Large Big Green Egg, Half Moon Reversible Griddle for Vision Grill B-11N1A1-Y2A, VGKSS-CC2, Stand-Alone Solo Stove Grill
Half moon grate plus reversible griddle
18 x 9 inch each
162 square inch surface
Cast iron build
Pros
- Grate and reversible griddle in one kit
- Cast iron heats evenly and resists rust
- Distinct sear pattern on meat
- Wide fitment across Kamado Joe and Vision models
Cons
- Half moons run slightly small against OEM grates and can shift
- One half moon covers only part of the surface
This kit answers the question half moon buyers ask most often: should you pair a half moon grate with a half moon griddle, or with another grate? This one gives you both in a single box, so you can build a genuine two-zone kamado without a second order. Each piece measures 18 by 9 inches, and the listed cooking surface is 162 square inches per configuration.
The cast iron is described as even heating, high temperature capability, corrosion resistant and easy to maintain, and owners like the value of getting two functional surfaces at once. For smash burgers the reversible griddle is the more interesting half, and it also works for fish and delicate seafood where a bar grate is too aggressive.
Fitment is broad: Kamado Joe Classic I, II and III parts, the Stand-Alone Classic, the Large Big Green Egg, Solo Stove, and Vision Grill models B-11N1A1-Y2A, VGKSS-CC2, C4F1F1SB and 5-CR4C101. Owners confirm the kamado fitment holds up in practice.
The size complaint is consistent though. The half moons are reported as slightly smaller than the factory grates, which means they can shift on the Divide and Conquer rack system, and a single half moon on its own only covers part of the cooking surface. Check your grill size before ordering and plan to run it in pairs.
Who this kit suits
Two-zone cooks who want one side searing and one side smoking, or one side on the griddle for smash burgers and one side on bars for vegetables. Getting both pieces at once removes the guesswork about which combination actually stacks and fits.
It also suits owners who want to experiment with a kamado configuration before committing to a full set of cast iron surfaces, because the griddle and grate can be mixed and matched with a stainless setup already in the garage.
Who should skip it
Skip it if you need a complete full surface cooking grate. This is a modular kit, and covering the whole diameter means buying a second half moon or keeping a full round grid underneath.
Owners with a tight Divide and Conquer setup should measure first. The slight size difference against OEM half moons is the single most repeated note in the reviews, and a shifting grate mid-cook is genuinely annoying.
7. Quantfire 13 Inch Cast Iron Grid for Mini and Small Kamados
Quantfire 13″ Cast Iron Cooking Grid for S/MiniMax Big Green Egg Accessories, Round Grill Grate Grids for BGE or Other Same Size Charcoal Grill
13 inch round cast iron
2.25 kg
Mini and Small Big Green Egg fit
Pros
- Thick bars with tight spacing for small food
- Seasons easily and resists sticking
- Fits Mini and Small Big Green Egg grills
- Also works in chimineas and fire pits
Cons
- Measures 13-1/16 inches so it can run small against some OEM grates
- Occasional reports of surface discoloration
Small kamado owners are usually served the least thought, so this grid is worth the attention. It is a 13 inch round cast iron cooking grid aimed at Small and MiniMax Big Green Egg grills, and the design choice that stands out is the bar geometry. Thick bars with short gaps mean small food does not fall through, which is exactly the failure mode on a compact grill loaded with vegetables or shrimp.
At 2.25 kilograms it is the most manageable cast iron piece in this roundup, and that is a real advantage on a grill where you are reaching over a hot dome with limited clearance. Owners rate the casting quality, the spacing and the sturdiness highly, and report clean packaging and reliable searing once the grate is seasoned.
The caveat is exact sizing again. It measures 13-1/16 inches, which is a hair under the nominal 13 inch and smaller than some OEM small-grill grates, such as the 13-3/4 inch Weber Smokey Joe grate. Some buyers end up resting it on top of an existing grate as a result, which defeats the purpose. A few also report surface discoloration with use, which is cosmetic rather than functional.
Maintenance guidance is standard: apply a layer of oil before first use and maintain it after each cook to prevent rust. Confirm the grill size fits the 13 inch diameter before purchasing.
Who this grate suits
Mini and Small Big Green Egg owners who cook a lot of small items and are tired of watching cherry tomatoes and prawns disappear through the factory grid. The tight spacing fixes that problem outright rather than making you work around it.
It is also a good secondary grate for a chiminea or a small steel fire pit, which makes it useful in a household with more than one charcoal appliance.
Who should skip it
Skip it if you need it to replace a specific OEM grate on a Weber Smokey Joe, because the diameter is not a match. The 13-1/16 inch measurement is also worth checking against your own fire ring before ordering.
If appearance matters to you more than function, note the discoloration reports. The seasoning still works, but the surface will not stay the color it arrived in, which bothers some owners on a visible grill.
8. GRISUN 19.5 Inch Enameled Cast Iron Grate with Center Insert
GRISUN 19.5 Inch Cast Iron Round Grill Grate for Akorn Kamado Pit Boss K24
Enameled cast iron
19.5 inch diameter
11.8 pounds
Removable 7.2 inch center insert
Pros
- Enameled surface resists rust and wipes clean
- Removable 7.2 inch center insert for adding charcoal
- Center hole accepts a warming rack
- Broad Akorn and 20 inch kamado fitment
Cons
- Built for 20 inch inner diameter kamados so it will not fit 18 inch models
- Weighs close to 12 pounds when hot
This is the pick for the larger end of the kamado world, and it is the only one here with a feature nobody else in the list offers. The 7.2 inch center grid insert lifts out so you can add charcoal without hauling the entire grate off the fire ring, and the 1 inch center hole accepts a correspondingly sized warming rack. On a grill with a 20 inch inner diameter, that is the difference between a two minute rebuild and a ten minute one.
Fitment covers the Char-Griller 16620, 6719, E56720, 6520, 16820 and 6020, plus the Akorn Kamado, Kamado Kooker, Pit Boss K24 and Louisiana Grills K24. The surface is 19.5 inch non-stick porcelain enamel coated cast iron with a listed cooking area of 314 square inches, so it covers considerably more than an 18 inch grid.
Owners highlight the easy clean enamel finish and the even heat retention from the solid rods, along with clear sear marks and no sticking. The finish wipes clean with hot soapy water, which means no seasoning routine and no rust maintenance at all, and that is the reason we picked it for this size bracket.
Weight is the trade at 11.8 pounds, and it needs care when moved hot. Buyers also stress checking the grill inner diameter, because this grate is built for 20 inch kamado grills and will not suit an 18 inch model no matter how close the numbers look.
Who this grate suits
Akorn, Kamado Kooker, Pit Boss K24, Louisiana K24 and 20 inch Char-Griller owners get a full cooking surface with a maintenance routine close to zero. The enamel finish means no oiling after every cook and no seasoning to keep watch over.
Anyone who rebuilds the firebox mid cook will appreciate the removable center insert more than any other feature here. Adding lump charcoal without removing a full grate is the single biggest workflow improvement on this list.
Who should skip it
Skip it if you own an 18 inch kamado. This is the largest grid in the roundup and the fitment error would be obvious immediately, so check the 20 inch inner diameter requirement first.
It is also a poor choice for a cook who wants the fastest possible response to a grate temperature change, because enamel gives up that instant response that bare cast iron delivers. Sear obsessives should read the cast iron options first.
How to Choose a Cast Iron Grate for Your Kamado
Measure the diameter before anything else. Every other decision on this page is secondary to making sure the grate physically sits on your fire ring, and the diameter confusion between 18, 18-3/16, 18.375 and 18.5 inch listings is the single most common source of disappointment in this category.
Which grate diameter fits which kamado
Match the inner diameter of your fire ring to the grate diameter, not the model year. A 13 inch grate goes into Mini and Small Egg style grills, 15.5 inch fits the Medium Big Green Egg and Char-Griller bodies of the same size, 18 and 18-3/16 inch cover the Large Big Green Egg, the Kamado Joe Classic I through III, the Stand-Alone Classic and the Vision Grill models listed in these reviews, and 19.5 to 20 inch covers the Akorn, Kamado Kooker and Pit Boss K24 class of grills.
If two grates from different brands claim the same nominal size, the one that cites factory part numbers such as 18CI, 18SS or 18P is the safer buy. OEM part numbers are measured from the actual casting, while a nominal diameter is often rounded.
Choosing between cast iron, stainless steel, porcelain enamel and cast stainless
Cast iron wins on heat retention and sear quality, and it is the most demanding on maintenance. Stainless steel heats faster, needs no seasoning and will not rust, at the cost of a lighter surface that loses heat during a long cook. Porcelain enamel gives you a cast iron body without the rust problem, and it fails by chipping instead of corroding. Cast stainless is the premium middle ground, combining cast weight with corrosion resistance, and it is the least common option on kamado grills.
If you cook mostly vegetables, fish and bread, stainless steel is the sensible surface. If you sear steaks often, cast iron earns its weight in the roundup above. If you want the sear and you will not maintain anything, porcelain enamel is the compromise most owners settle on.
What changes when you swap stainless for cast iron
Swapping a factory wire grid for a cast iron cooking grid changes how the kamado behaves, not just how the food tastes. The additional thermal mass holds temperature through wind and through long cooks, which is why owners on r/KamadoJoe report that their kamado runs more steadily and uses less fuel once a cast iron pack is in place. The same mass also means longer preheat and a heavier lift.
One popular configuration is to run stainless steel for everyday cooking and drop cast iron in only for the sear, which is exactly what a half moon grate is built for. If you want help choosing the grill itself first, our kamado searing roundup and kamado smoking roundup cover the cooker side of the equation.
Do not forget the bottom fire grate. A fire grate with fewer cross bars opens the air gap under the lump, which speeds startup and can reduce fuel use, and it is a separate product from anything on this page because it never touches food.
How to season a cast iron kamado grate in six steps
Seasoning a new cast iron grate takes one long cook and a very light coat of oil. The steps below are the routine that keeps rust off afterwards.
Remove the plastic. Take the grate out of any packaging and wipe off the factory coating with a paper towel and a little high heat oil.
Wash and dry completely. Hot soapy water, then dry on the grill with the lid open for a few minutes. Standing water is what causes the speckled rust that frustrates new owners.
Apply the thinnest possible coat. Use a paper towel with a high smoke point oil, wipe it until the grate looks almost dry, and remember that excess oil is the main cause of a patchy, sticky seasoning.
Heat it hard and long. Run the kamado at around 450F for an hour with the grate in place, then let it cool. Repeat the cook once more, and do not stop at the smoke stage, since the polymerisation that forms the coating needs sustained heat.
Brush off after every cook. A brass or stainless grill brush on a cooled grate removes residue before it becomes carbon. Chainmail style pads work on bar grates but are hard on a coated surface.
Oil the grate, then close the dome. Wipe a light coat of oil on after every cook, even a quick one, and leave the ceramic dome closed so the interior stays dry. A kamado that lives outdoors in the wet will rust a bare grate despite a good seasoning.
What ruins seasoning is predictable: a wet grate, storing it in a humid shed, using a harsh wire brush on a porcelain enamel coating, and stacking a wet grate against a dry one. If light surface rust appears anyway, scrub it back with a stiff brush, re-oil and run a hot cook, and the seasoning will repair itself.
Frequently Asked Questions
What grill grates are suitable for a Kamado Joe?
Suitable grates match the inner diameter of your fire ring and the design you want. Full round grids replace the factory wire grate for all cooking, half moon grates add a high heat searing zone beside a second grate or griddle, and cast iron fire grates sit below the charcoal to shape airflow. OEM parts like the Kamado Joe half moon cast iron grate fit the Classic series directly, while aftermarket castings are sized to the same diameters.
Are cast iron grill grates better?
They are better for searing and heat retention, and worse for maintenance. Cast iron stores far more heat than wire steel, so it reaches cooking temperature faster, holds it through long cooks and leaves a harder crust. In exchange it needs oiling after every cook, weighs considerably more, and takes longer to preheat. For vegetables and bread, a stainless steel grate remains the easier surface to live with.
Which grill grate material is best?
The best material depends on how you cook. Cast iron is the best choice for high heat searing, stainless steel is the best low maintenance choice for general cooking, porcelain enamel is the best compromise if you want cast iron weight without rust maintenance, and cast stainless is the best premium option when budget is not a constraint. Most kamado owners end up owning two surfaces and using each for its strength.
Which is better, porcelain or cast iron grill grates?
Porcelain coated cast iron is easier to maintain because the enamel resists rust and wipes clean, but it chips if it is dropped or hit with a harsh wire brush, and it is slower to respond to a temperature change. Bare cast iron gives the hardest sear and survives decades, and it only needs a proper seasoning routine. Choose porcelain if you will not maintain anything, and bare cast iron if searing is the priority.
What type of grill grate won’t rust?
A porcelain enamel coated grate, or a stainless steel grate, will not rust in normal use. Bare cast iron can develop light surface rust whenever it is left wet, which is why oiling after every cook matters so much on a kamado. Keeping the ceramic dome closed in damp weather helps more than almost anything else, because moisture trapped inside the dome is what attacks bare iron.
Should I season my cast iron grill grates?
Yes, and you should only need to do it once. A factory sealed cast iron grate benefits from a seasoning cook, and a bare machined grate needs one to build the non-stick polymerised oil layer. Rub on the thinnest coat of high smoke point oil you can manage, then run the kamado around 450F for an hour and repeat once. After that, maintenance is a light coat of oil after every cook.
Final Verdict: Which Cast Iron Grate Fits Your Kamado
The best cast iron grill grates for kamado grills in 2026 come down to diameter and cooking style, and nothing else moves the needle as much. For an 18 inch kamado, the Kamado Joe half moon cast iron grate is the one we recommend, because the fit is exact and the lifting tool is in the box. If you will not maintain a bare iron surface, the Hongso porcelain coated 18-3/16 inch grid gives you the mass without the rust.
For a Joe Jr. or a Divide and Conquer sear, the Kamado Joe non-stick cast iron plate is unmatched. For a Medium Big Green Egg, take the 15.5 inch grid. For a Mini or Small Egg, the 13 inch grid with tight bar spacing. For an Akorn, Pit Boss K24 or other 20 inch kamado, the GRISUN enameled grate with the removable center insert is the one.
Measure your fire ring, pick the diameter, and choose bare cast iron or porcelain enamel based on whether you will oil the grate after every cook. Get that one decision right and the rest is straightforward.
