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China Stainless Steel Plate 304/316 Corrosion Resistant 4x8 Sheet for Construction 3mm Thick ASTM A240 for sale

Stainless Steel Plate 304/316 Corrosion Resistant 4x8 Sheet for Construction 3mm Thick ASTM A240

Price Negotiable
Price: 0.98-1.2USD/KG
MOQ: 1000KG
Delivery Time: 3-5Days
Brand: Jiangsu China Steel Union
Product Description
Discover the superior performance and versatility of our 304/316 Stainless Steel Sheet, engineered to meet the rigorous demands of modern construction and architectural applications. This 4x8 feet (also known as 1220x2440 mm), 3mm thick sheet is manufactured in strict compliance with the ASTM A240 standard, guaranteeing consistent quality, exceptional durability, and reliable corrosion resistance. The stainless steel sheet serves as an ideal foundational material for a wide array of structural and design projects, offering an optimal balance of strength, formability, and long-term value.
Category​
Specification / Details​
Material Grade​
AISI 304 / 316 (ASTM A240 compliant)
Standard​
ASTM A240
Common Size​
4 ft x 8 ft (1220 mm x 2440 mm)
Thickness​
3 mm
Surface Finish​
2B, No.4, BA, or as required
Key Feature​
Excellent Corrosion Resistance
Characteristics & Advantages
This ASTM A240 stainless steel sheet is defined by its outstanding material properties. The 304 grade offers excellent all-around corrosion resistance and is highly cost-effective for general use. The 316 grade, with the addition of molybdenum, provides significantly enhanced resistance to pitting and crevice corrosion, particularly in chloride-laden environments, making it the premier choice for coastal applications or areas exposed to de-icing salts.
A primary selling point of this 3mm thick construction sheet is its exceptional strength-to-weight ratio. The thickness provides substantial rigidity and load-bearing capacity for panels, cladding, and structural components, while remaining workable for fabrication. The stainless steel sheet exhibits excellent formability and weldability using standard techniques, allowing for easy cutting, bending, and shaping to meet specific design requirements without compromising its inherent corrosion resistance.
Technology & Applications
The superior performance of this product stems from advanced steelmaking and precise rolling technology. Controlled thermal processing ensures a uniform metallurgical structure, while the cold-rolling process to the specified 3mm thickness achieves a smooth, consistent surface ideal for both functional and aesthetic purposes. The formation of a passive chromium-oxide layer on the surface is the core theory behind its corrosion resistance; this invisible, self-repairing layer protects the base material from oxidative elements.
Typical applications for this 4x8 stainless steel sheet are extensive in construction. It is perfectly suited for architectural wall cladding, roofing, rainwater systems, and decorative facades. Furthermore, it is widely used for fabricating kitchen equipment, industrial work surfaces, chemical containers, and structural supports in demanding environments where hygiene, strength, and longevity are critical.
FAQ
  • •
    Q: What is the main difference between 304 and 316 stainless steel sheets?
    A: The key difference is the composition. 316 contains molybdenum, which dramatically increases its resistance to corrosion from chlorides and industrial solvents compared to 304.
  • •
    Q: Is this 3mm thick sheet suitable for outdoor structural use?
    A: Yes, especially the 316 grade. The 3mm thickness provides good structural integrity, and the material's corrosion resistance makes it excellent for outdoor frameworks, marine fixtures, and exterior architectural features.
  • •
    Q: Can this sheet be cut or welded on-site?

    A: Absolutely. This ASTM A240 stainless steel sheet can be cleanly cut using standard tools and is readily weldable by common methods, ensuring flexibility during installation and fabrication.

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Company JIANGSU CHINA STEEL UNION INDUSTRIAL CO.,LTD.
Location Hui'an Road Metal Technology Park, Wuxi, Jiangsu, China
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