You verify 304 steel before buying board listings the same way you check anything else you cannot see in a photograph: you make the seller write it down. Send three questions before you pay, what grade the steel is in numbers, whether the board is one piece or laminated, and whether the surface is coated, then judge the reply. A seller who answers "304 food-grade stainless steel, one piece, uncoated" has given you three claims you can hold them to, and a seller who answers "food grade, high quality" has answered you by not answering.

Why does every listing say 304 and none of them show it?
Every listing says 304 stainless and there is no way to know which ones are telling the truth. That is a worse problem on a steel board than on almost anything else in a kitchen, because the grade is the product. A walnut board tells you what it is from across the room: the end grain, the joins, the colour. A steel board is a flat grey rectangle, and one photograph covers every grade there is. The single line that changes how it behaves in year three is a three-digit number typed by whoever wrote the page.
At Houseland we believe a seller who will not name the grade, the construction and the coating has already told you what the board is. That is why our product pages carry the material, the construction and both sizes in inches and centimetres instead of leaving them to be dug out of the reviews, and why a person reads and answers when you write in.
How do you verify 304 steel before buying board listings that all look the same?
You send three questions and judge the reply instead of the page.
Put all three in one message. A seller who knows where the item came from answers in a couple of lines. A drop-shipper who has never held it answers around them.
- What grade is the steel, in numbers? The answer you want is 304, sometimes written 18/8 because the alloy is about 18% chromium and 8% nickel, or 316. The answer that tells you to stop is "food grade", "premium stainless", or a number that sits in the title and never reaches the specification block.
- Is it a single piece, and is it coated? "Single-piece stamped steel, uncoated" is one sentence with three claims in it. A coating is a layer between your knife and the alloy and it can wear, while uncoated means there is nothing there to wear through.
- What are the finished dimensions, in inches and centimetres? A seller with the item in front of them gives you the finished length, width and thickness in both units without being asked twice. A seller without it gives you the size of the box.
You are buying the seller's answer as much as the board, and a shop that cannot name a grade in one sentence will not be easier to reach in month six.
What does a 201 substitution look like on a product page?
It looks like a grade number that never makes it into the specification block.
Nobody writes "this is 201". What you get instead is absence and hedging, and once you know the six shapes it takes you can spot them in about ten seconds of scrolling.
- The title says 304 and the specification table says "stainless steel".
- The number lives inside a marketing image, where it cannot be searched, quoted or held against anyone.
- The page says "304/201" or "SUS304 or equivalent", and two grades is not a grade.
- "Food grade" is doing the job a number should be doing.
- There is a coating claim: mirror coated, anti-rust layer, nano finish.
- Three sellers list the same photograph at three prices and the specification text matches down to the typos.
None of that proves the alloy, and I am not going to pretend it does. It tells you the seller does not know, which for something you intend to keep for ten years rather than replace every second season is the same problem wearing a different hat. The grade is not a detail on a steel board the way a finish is a detail on a lamp; it is the only variable on the page.

Which lines in a listing are checkable, and which are just words?
Five of the lines below are checkable and two are decoration.
| What the product page says | Checkable? | What to do with it |
|---|---|---|
| 304, 18/8 or SUS304 | Yes | Three names for one grade, about 18% chromium and 8% nickel. Ask for it again in a message so it exists in writing. |
| "Food grade stainless" | No | A use description with no alloy in it. Ask for the number. |
| "Single-piece stamped, uncoated" | Yes | Three claims in five words. Nothing is bonded on, so nothing can wear through. |
| Finished dimensions in inches and centimetres | Yes | Measure the cabinet gap first, then check the board against a tape when it lands. |
| "Mirror coated", "anti-rust finish" | Yes, and it is the warning | A coated board is a coated product. The grade underneath stops being the thing you bought. |
| "Premium", "commercial", "professional" | No | None of the three is a specification. |
| Weight in the specification block | Yes | Put it on a kitchen scale the day it arrives and compare the two numbers. |
Weigh and measure it the day it lands, because that is the window where the seller's own numbers are still on the page and a return is still simple, and if you want that specification block walked through line by line, our guide to buying a steel board does it at length. Return windows are set shop by shop, so check the product page for the one you are buying from. Screenshot the listing before you pay; pages get edited.
Can you check the steel yourself once the board arrives?
You can check how it behaves. No home check names the alloy, and the one people recommend most proves the least.
A magnet separates the 300 series from the 400 series and stops there. Grade 304 is austenitic, so it reads weakly magnetic or not at all, and it can pick up a little magnetism after being stamped and formed, which is exactly what happens to a board pressed from one sheet. A fridge magnet that clings slightly has told you nothing about 304 against 201, because both sit in the same family.
The salt check is more use, and it is a corrosion check rather than a grade check.

- Dissolve 1 teaspoon of table salt in 2 tablespoons of warm water.
- Pour it into one puddle in the middle of the dry board, on the flat side rather than in the juice groove.
- Leave it 12 hours out of direct sun, then a second 12 if nothing has happened.
- Rinse, dry, and look across the surface at a low angle in daylight, where brown pinpricks show up before anything else does.
- Run a full dishwasher cycle, where the final rinse sits around 140 to 160 F (60 to 71 C), and look again.
A board that comes through 24 hours of salt water and one hot cycle without freckling has told you it survives what a wet kitchen does to it. It has not told you the alloy, and nothing you can do at a kitchen sink will.
If the grade is real, what you are buying is narrower than most pages suggest. Steel sheds no polymer, which is the figure people are usually reaching for: the 2023 NDSU study of polyethylene boards measured 7.4 to 50.7 g of microplastic exposure per person per year and found no cell toxicity in the cells it tested, and the arithmetic behind that is worth seeing in a year of ordinary chopping. Steel also holds no knife scars for residue to sit in, which is a question worth reading on its own terms. That is the whole of the honest case, and none of it depends on the seller's adjectives.
Where should I buy a stainless steel cutting board, and who should skip it?

From the shop
Stainless Steel Cutting Board, 304 Food Grade, Double Sided with Juice Groove
The three answers sit on the Houseland product page rather than in the reviews: 304 food-grade stainless steel, single-piece stamped, uncoated, at 12 x 8 in (30.5 x 20.3 cm) or 15.4 x 11 in (39 x 28 cm).
See the stainless steel cutting boardHouseland prints the three answers you were told to ask for on the product page instead of making you send the message.
The grade arrives with its construction: 304 food-grade stainless steel, stamped from one sheet and left uncoated, the same grade used for kitchen sinks, commercial prep surfaces and cookware. Uncoated is the part that matters after everything above, because there is no layer between your knife and the alloy that was named.
Both sizes are published in inches and centimetres, 12 x 8 in (30.5 x 20.3 cm) and 15.4 x 11 in (39 x 28 cm), so you can measure the cabinet gap before you spend 49.99 USD rather than after.

It is dishwasher safe in both sizes with no oiling, no seasoning and no soaking, and the juice groove runs the full perimeter of one side while the other side is completely flat for prep and serving.
Skip it if your knife work is mostly vegetables. Steel is harder than wood or plastic and takes an edge down faster than an end-grain block, so a cook holding a 15 to 20 degree edge through an hour of prep a day should keep a wood board for that and use this one for raw protein and carving, which is the same case we made about raw fish at home. Skip it too if you want a board that looks new in year three, because brushed silver steel goes to a matte patina and shows every water mark on a dark counter. And if your counter is short, measure before you choose 15.4 x 11 in (39 x 28 cm), because 12 x 8 in (30.5 x 20.3 cm) is the one that goes into a narrow cabinet or drawer gap.
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