{"id":29136,"date":"2026-09-24T13:48:38","date_gmt":"2026-09-24T05:48:38","guid":{"rendered":"https:\/\/wanzhisteels.com\/?p=29136"},"modified":"2026-09-24T13:48:39","modified_gmt":"2026-09-24T05:48:39","slug":"304-stainless-steel-plate","status":"publish","type":"post","link":"https:\/\/wanzhisteels.com\/es\/304-stainless-steel-plate\/","title":{"rendered":"304 stainless steel plate"},"content":{"rendered":"
\n\t\t\tHogar<\/a>\n\t\t<\/span>\u00bb<\/span>\n\t\t\tProductos<\/a>\n\t\t<\/span>\u00bb<\/span>\n\t\t\tAcero inoxidable<\/a>\n\t\t<\/span>\u00bb<\/span>\n\t\t\t304 stainless steel plate\n\t\t<\/span><\/div><\/div><\/div>\n\n\n\n
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304 stainless steel plate<\/h1><\/div>\n\n\n\n
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Width: 600-1500mm or customizable<\/p>\n\n\n\n

Length: 1-12 m<\/p>\n\n\n\n

Thickness:  3-120 mm<\/p>\n\n\n\n

Estilo de dise\u00f1o: Personalizable<\/p>\n\n\n\n

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Enviar consulta<\/div><\/a><\/div><\/div>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n
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Detalles del producto<\/div><\/a><\/div><\/div>\n\n\n\n
Why choose us<\/div><\/a><\/div><\/div>\n<\/div><\/div>\n\n\n\n
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304 stainless steel plate is a flat-rolled strip of 18\/8 austenitic stainless that is thicker than 3 mm and sold as plate rather than sheet. It is the grade most buyers reach for when they need corrosion resistance without paying for molybdenum, and it welds, cuts and forms well enough to suit tanks, cladding, frames and food equipment. We product 304 plate in thicknesses from 3 mm to 120 mm and widths up to 2000 mm, and we cut it to size before it leaves the mill.<\/p>\n\n\n\n

This page covers what 304 plate is made of, how it performs, how we size and certify it, and where it gets used. If you are deciding between 304 and 316, our surface finish guide<\/a> and the 304 vs 316 brewery tank write up<\/a> on the equipment side explain the grade choice in plain terms.<\/p>\n\n\n\n

What Is 304 Stainless Steel Sheet?<\/h2><\/div>\n\n\n\n

304 belongs to the austenitic family, the group with the highest chromium and nickel content among the common stainless grades. Its nickname is 18\/8, because the typical analysis runs about 18 percent chromium and 8 percent nickel. Those two elements are what give 304 its corrosion resistance and its ability to stay tough at low temperature.<\/p>\n\n\n\n

Plate is the thick end of flat-rolled stainless. In ASTM terms, sheet is 3 mm and under, and plate is over 3 mm. That single line decides how the material is rolled and what tolerances it carries, which is why we treat the 304 stainless steel sheet<\/a> and the plate as two products even though the alloy is the same.<\/p>\n\n\n\n

Most 304 plate is hot rolled, annealed and pickled to a No.1 finish, then ground or polished if a cleaner face is needed. It is non magnetic in the annealed state, though cold work from cutting or forming can bring up a little attraction at the edges.<\/p>\n\n\n\n

304 chemical composition and the 304L option<\/h2><\/div>\n\n\n\n

The chemistry below is the ASTM A240 window for 304. The numbers are percentage by weight, with iron making up the balance.<\/p>\n\n\n\n

Element<\/th>304<\/th>304L<\/th><\/tr><\/thead>
Chromium<\/td>18.0 – 20.0<\/td>18.0 – 20.0<\/td><\/tr>
Nickel<\/td>8.0 – 10.5<\/td>8.0 – 12.0<\/td><\/tr>
Carbon<\/td>0.08 max<\/td>0.030 max<\/td><\/tr>
Manganese<\/td>2.0 max<\/td>2.0 max<\/td><\/tr>
Silicon<\/td>0.75 max<\/td>0.75 max<\/td><\/tr>
Phosphorus<\/td>0.045 max<\/td>0.045 max<\/td><\/tr>
Sulfur<\/td>0.030 max<\/td>0.030 max<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

The one number that matters for fabrication is carbon. Standard 304 allows up to 0.08 percent, while 304L caps it at 0.030. The low carbon version was made for welding: when you weld a thick plate, carbon at the heat-affected zone can pull chromium out of the mix and leave the seam open to corrosion. That failure mode is called sensitization. Drop the carbon and the weld stays protected, so 304L is the safer call for tanks, pipes and anything that gets welded a lot.<\/p>\n\n\n\n

For most of our 304 plate orders the buyer picks 304L by default once thickness goes past 6 mm or the job involves much welding. The price gap is small and the weld safety is not.<\/p>\n\n\n\n

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glossy surface<\/figcaption><\/figure>\n<\/div>\n\n\n\n
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laminating<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n

Plate size and weight reference<\/h2><\/div>\n\n\n\n

We list 304 plate against three fields: thickness, the common width and length, and the theoretical weight. Weight is the number buyers use to price a job, so we give it directly rather than a formula alone.<\/p>\n\n\n\n

Espesor (mm)<\/th>Common size (mm)<\/th>Weight (kg\/m2)<\/th>Approx. weight per plate (kg)<\/th><\/tr><\/thead>
3<\/td>1500 x 3000<\/td>23.79<\/td>107.055<\/td><\/tr>
4<\/td>1500 x 3000<\/td>31.72<\/td>142.74<\/td><\/tr>
5<\/td>1500 x 3000<\/td>39.65<\/td>178.425<\/td><\/tr>
6<\/td>1500 x 3000<\/td>47.58<\/td>214.11<\/td><\/tr>
8<\/td>1500 x 3000<\/td>63.44<\/td>285.48<\/td><\/tr>
10<\/td>1500 x 3000<\/td>79.3<\/td>356.85<\/td><\/tr>
12<\/td>2000 x 6000<\/td>95.16<\/td>1141.92<\/td><\/tr>
16<\/td>2000 x 6000<\/td>126.88<\/td>1522.56<\/td><\/tr>
20<\/td>2000 x 6000<\/td>158.6<\/td>1903.2<\/td><\/tr>
25<\/td>2000 x 6000<\/td>198.25<\/td>2379<\/td><\/tr>
30<\/td>2000 x 6000<\/td>237.9<\/td>2854.8<\/td><\/tr>
40<\/td>2000 x 6000<\/td>317.2<\/td>3806.4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Stainless 304 density is 7.93 g\/cm3. To get kg per square metre, multiply thickness in mm by 7.93. To get the weight of one plate, use thickness (mm) x width (m) x length (m) x 7.93. For odd sizes, thickness (mm) x width (mm) x length (mm) x 0.00000793 gives the same answer<\/span>.<\/a> We cut to your drawing, so the weight on the quote matches the piece you receive, not the full mill plate.<\/p>\n\n\n\n

Mechanical and corrosion properties<\/h2><\/div>\n\n\n\n

The table below is the ASTM A240 minimum for annealed 304 plate at room temperature. Values shift a little with thickness and heat, so treat them as the floor, not the exact number for your heat.<\/p>\n\n\n\n

Property<\/th>304 \/ 304L value<\/th><\/tr><\/thead>
Tensile strength<\/td>515 MPa min (304), 485 MPa min (304L)<\/td><\/tr>
Yield strength (0.2% offset)<\/td>205 MPa min<\/td><\/tr>
Elongation<\/td>40 percent min<\/td><\/tr>
Dureza<\/td>201 HB max<\/td><\/tr>
Density<\/td>7.93 g\/cm3<\/td><\/tr>
Melting range<\/td>1400 – 1450 C<\/td><\/tr>
Corrosion<\/td>Good in atmospheric, food, mild chemical service<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

304 resists rust in air, water, food and most mild chemicals. What it does not like is chloride. Pool water, seawater spray, road salt and some process streams with chloride will pit it over time. For those jobs, 316 with its 2 to 3 percent molybdenum is the step up, and that is the same reason our marine grade stainless steel<\/a> line exists. 304 is the right plate for the other 80 percent of indoor and light outdoor work.<\/p>\n\n\n\n

Surface finishes for SS304 plate<\/h2><\/div>\n\n\n\n

Plate leaves the hot line with a No.1 finish: a rough, dark, pickled face that is fine for structure but not for looks. From there you can take it several ways.<\/p>\n\n\n\n