Grade 304 is an austenitic stainless steel that contains between 18-20% chromium and 8-10.5% nickel,small amounts of carbon and manganese, with the remainder of the alloy made up of iron. The combination of these elements making 304 material that is highly corrosion-resistant and can withstand high temperatures without losing its structural integrity.
The addition of chromium and nickel in 304 steel creates a protective layer on its surface that helps prevent rust and other forms of corrosion. Therefore, industries that deal with corrosive substances, such as the chemical and pharmaceutical industries, often rely on 304 steel plate for their equipment.
304 stainless steel plate have good corrosion resistance. This type of 304 plate is resistant to rust and corrosion, even in harsh environments. The addition of nickel to the alloy enhances 304 steel plate corrosion resistance and adds toughness, making it ideal for high-temperature and high-pressure applications.

A240 Grade 304 Plate Specification
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Technology |
Cold Rolled/ Hot Rolled |
|
Length |
100~12000 mm |
|
Width |
100~2000 mm |
|
Thickness |
Cold Roll:0.1~3 mm |
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Hot Roll:3~100 mm |
|
|
Surface |
BA, 2B, 2D, 4K, 6K, 8K, NO.4, HL, SB, Embossed |
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Leveling: improve flatness, esp. for items with high flatness request. |
|
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Skin-Pass: improve flatness, higher brightness |
|
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Other Choices |
Cutting:Laser cutting, help the customer to cut the required size |
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Protection |
1. Inter paper available |
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2. PVC protecting film available |
304 Stainless Steel Plate Surface Finish
304 plate is available in various thicknesses, widths, and lengths to suit different requirements. 304 plate is also available in various finishes, such as brushed, polished, and matte, to suit different needs.
Details:
- No.1: Hot rolled, annealed, and pickled
- No.2B: Cold-rolled, annealed, and pickled with a bright finish
- No.4: Polished with a 150-180 grit finish
- Hairline: Polished with a 240 grit finish
- BA: Bright annealed and polished
Multiple specifications are available.

JBLSTEEL is a premier manufacturer, supplier, and exporter of high quality 304 stainless steel plates and sheets. Our extensive inventory of SUS304 stainless plates and sheets caters to a diverse range of industries, including chemical processing, oil and gas, food processing, and more.We also offer customized services based on our clients' specifications, sizes, thickness, and surface smoothness requirements.





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