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304 stainless steel sheets 4x8

Material304 Stainless Steel
Size4 feet x 8 feet (1219 mm x 2438 mm)
ThicknessRange: 0.018″ – 0.135″ (0.46 mm – 3.43 mm)
FinishOptions: 2B, #4, BA
SurfaceCold Rolled
TypeSheet, Plate
StandardsASTM A240/A480, AISI, JIS, DIN, EN
304 2B Stainless Sheet


1.Composition and performance of 304 stainless steel

304 stainless steel is an austenitic alloy containing a combination of various elements that contribute to its unique properties. Its primary composition includes:

Composition of 304 Stainless Steel:

ElementComposition Range
Chromium (Cr)18 – 20%
Nickel (Ni)8 – 10.5%
Carbon (C)≤ 0.08%
Manganese (Mn)≤ 2%
Silicon (Si)≤ 0.75%
Phosphorus (P)≤ 0.045%
Sulfur (S)≤ 0.03%
Nitrogen (N)≤ 0.1%

Performance of 304 Stainless Steel:

Performance CharacteristicDescription
Corrosion ResistanceHighly resistant to corrosion in various environments.
Aesthetic AppealPolished appearance with options for different surface finishes.
StrengthGood tensile and yield strength for structural applications.
FormabilityEasily formed, bent, and fabricated for diverse applications.
WeldabilityExcellent weldability, allowing for easy joining and fabrication.
Temperature ResistanceMaintains mechanical properties and corrosion resistance at high and low temperatures.
Hygiene and CleanlinessNon-porous surface is easy to clean and maintain, suitable for applications with strict hygiene requirements.
  • Corrosion Resistance: Due to its high chromium and nickel content, 304 stainless steel is highly resistant to corrosion, making it suitable for a wide range of environments, including those with exposure to acids, alkalis, and chloride solutions.
  • Aesthetic Appeal: Its polished appearance, along with various surface finishes, makes it a popular choice for decorative applications.
  • Strength: 304 stainless steel has good tensile and yield strength, suitable for a variety of structural and load-bearing applications.
  • Formability: It can be easily formed, bent, and fabricated into various shapes, making it versatile for manufacturing processes.
  • Weldability: 304 stainless steel exhibits excellent weldability through various methods, ensuring ease of joining and fabrication.
  • Temperature Resistance: It retains its mechanical properties and corrosion resistance at both high and low temperatures.
  • Hygiene and Cleanliness: The material’s non-porous surface makes it easy to clean and maintain, which is crucial in applications like food processing and medical equipment.

Overall, 304 stainless steel’s combination of corrosion resistance, versatility, and aesthetic appeal makes it a widely used material in various industries, including architecture, kitchen appliances, automotive, and more.

2.How does the 4x8 feet size of these stainless steel sheets cater to common industry standards and project needs?

The 4×8 feet size of stainless steel sheets is a standard dimension that caters to common industry standards and project needs in various applications. This size, also known as 48 inches by 96 inches, has become a widely accepted standard in the stainless steel industry for several reasons:

  1. Versatility: The 4×8 feet size is versatile and can be easily adapted to fit various fabrication requirements. It offers a good balance between being large enough for many applications while still manageable for cutting, shaping, and transportation.

  2. Common Stock Size: Many stainless steel suppliers offer 4×8 feet sheets as a common stock size. This availability makes it convenient for customers to source materials without the need for custom orders, which can be more time-consuming and costly.

  3. Fabrication Efficiency: The 4×8 feet size is practical for common fabrication processes, such as cutting, bending, and welding. It can be efficiently used in manufacturing components for different industries, including construction, automotive, and manufacturing.

  4. Standardization: Due to its widespread use, the 4×8 feet size aligns with industry standards and specifications. This standardization makes it easier for engineers, architects, and fabricators to plan and design projects that incorporate stainless steel sheets.

  5. Cost-Effectiveness: Producing stainless steel sheets in the 4×8 feet size is cost-effective for manufacturers and suppliers. It optimizes material usage and minimizes waste, resulting in better pricing for customers.

  6. Transportation and Storage: The 4×8 feet size is convenient for transportation and storage. It can be easily loaded onto trucks and containers, making logistics more efficient and cost-effective.

  7. Availability of Accessories: Many accessories, such as hardware and fittings, are designed to work with the 4×8 feet size. This compatibility simplifies the integration of stainless steel sheets into various applications.

  8. Compatibility with Construction Standards: In construction projects, the 4×8 feet size aligns well with standard dimensions used for walls, ceilings, countertops, and other architectural elements.

  9. Renovation and Repair: For renovation and repair projects, the 4×8 feet size is practical because it matches existing building materials and allows for seamless replacements.

  10. Easy Handling: The 4×8 feet size is manageable for one or two individuals to handle, reducing the need for specialized equipment during fabrication and installation.

Overall, the 4×8 feet size of stainless steel sheets provides a balance between practicality, availability, and efficiency, making it a preferred choice for a wide range of industries and applications. Whether in construction, manufacturing, or other sectors, this standard size contributes to streamlined processes and effective project execution.

3.How does 304 stainless steel compare to other grades in terms of corrosion resistance and durability?

Among stainless steel grades, 304 stainless steel stands out for its excellent corrosion resistance and durability, making it a popular choice in various industries. When compared to other grades, such as 316 and 430 stainless steel, 304 stainless steel offers unique characteristics that contribute to its performance:

Corrosion Resistance:

  1. 304 vs. 316 Stainless Steel: While both 304 and 316 stainless steel exhibit good corrosion resistance, 316 contains molybdenum, which enhances its resistance to chloride-containing environments, such as marine or coastal areas. This makes 316 more suitable for applications exposed to harsher conditions.
  2. 304 vs. 430 Stainless Steel: Unlike 304 stainless steel, which is highly corrosion-resistant, 430 stainless steel has lower chromium content and lacks the nickel addition. As a result, 430 is more susceptible to corrosion, especially in corrosive or chloride-rich environments.


  1. 304 vs. 316 Stainless Steel: 316 stainless steel offers higher durability than 304 due to its increased resistance to pitting and crevice corrosion. This makes 316 suitable for applications where exposure to chlorides or acids is significant, such as chemical processing equipment or coastal installations.
  2. 304 vs. 430 Stainless Steel: In terms of durability, 304 stainless steel surpasses 430 due to its higher chromium and nickel content. 304’s corrosion resistance and strength make it suitable for a wide range of applications, including food processing equipment, architectural components, and industrial machinery.


  1. 304: Its balanced composition of chromium and nickel makes 304 stainless steel suitable for various applications, such as kitchen appliances, sinks, cutlery, architectural components, and chemical processing equipment.
  2. 316: 316 stainless steel’s superior corrosion resistance makes it preferred for marine environments, medical implants, and pharmaceutical equipment.
  3. 430: Due to its lower corrosion resistance, 430 stainless steel is commonly used in less corrosive environments, such as automotive trims, kitchen utensils, and decorative components.

Magnetic Properties:

  1. 304: It is typically non-magnetic or weakly magnetic due to its austenitic structure.
  2. 316: Similar to 304, it is generally non-magnetic in the annealed condition.
  3. 430: It is ferromagnetic, which makes it attractive for applications where magnetism is desired, such as refrigerator doors.

In summary, 304 stainless steel offers a balanced combination of corrosion resistance and durability, making it versatile for various applications. While other grades like 316 and 430 have their unique advantages, 304’s broad applicability, combined with its resistance to a wide range of environments, has solidified its position as one of the most widely used and dependable stainless steel grades.

4.What are the advantages of using 304 stainless steel sheets in architectural and interior design applications?

Using 304 stainless steel sheets in architectural and interior design applications offers a plethora of advantages that contribute to both the aesthetic appeal and functional performance of the space. Here’s why 304 stainless steel is a popular choice for these purposes:

1. Aesthetic Appeal:

  • Sleek and Modern Look: 304 stainless steel’s clean, reflective surface lends a modern and sophisticated appearance to architectural and interior designs, making it a favorite for contemporary aesthetics.

2. Durability and Longevity:

  • Corrosion Resistance: 304 stainless steel’s high chromium content grants it exceptional resistance to corrosion, ensuring that architectural elements retain their visual appeal over time, even in challenging environments.
  • Low Maintenance: Its resistance to staining and rusting reduces the need for frequent maintenance, making it a cost-effective choice for long-term use.

3. Versatility:

  • Variety of Finishes: 304 stainless steel sheets can be finished in various ways, including brushed, mirror-polished, and textured finishes, allowing designers to achieve the desired visual effect.
  • Customization: The material can be cut, shaped, and welded to create customized designs, meeting the unique vision of architects and interior designers.

4. Hygiene and Cleanliness:

  • Non-Porous Surface: The non-porous nature of stainless steel prevents the absorption of moisture, odors, or contaminants, making it ideal for spaces where hygiene is crucial, such as kitchens and bathrooms.

5. Sustainability:

  • Recyclability: Stainless steel is fully recyclable, aligning with sustainable design practices and reducing the environmental impact of architectural projects.

6. Resistance to Wear and Tear:

  • Scratch and Abrasion Resistance: The inherent hardness of 304 stainless steel contributes to its ability to withstand scratches and abrasions, ensuring its appearance remains intact even in high-traffic areas.

7. Fire and Heat Resistance:

  • High Temperature Tolerance: 304 stainless steel can withstand elevated temperatures, making it suitable for applications near heat sources like fireplaces or stoves.

8. Flexibility of Design:

  • Structural and Decorative Elements: 304 stainless steel can be used for both structural elements (railings, frames) and decorative features (wall panels, fixtures), allowing designers to integrate it seamlessly throughout a space.

9. Reflection and Light Play:

  • Mirror-Like Surface: The reflective quality of polished 304 stainless steel can create interesting plays of light, adding dimension and ambiance to interiors.

10. Unmatched Strength:High Strength-to-Weight Ratio:

304 stainless steel’s robust mechanical properties ensure that it can withstand structural demands, providing security and stability in architectural applications.

From sleek modern facades to elegant interior fixtures, 304 stainless steel sheets offer a combination of durability, versatility, and aesthetic appeal that makes them an excellent choice for architects and interior designers looking to create captivating and enduring spaces.

5.What finishes are available for 304 stainless steel sheets, and how do they impact the appearance and functionality?

304 stainless steel sheets are available in a variety of finishes, each offering distinct visual characteristics and functional attributes that cater to different design preferences and practical requirements. Here are some common finishes and their impacts on appearance and functionality:

**1. No. 1 Finish (Hot Rolled):

  • Appearance: This finish has a rough, matte surface with visible mill scale and imperfections from the hot rolling process.
  • Functionality: While not commonly used for architectural purposes due to its coarse appearance, it is used in industrial applications where aesthetics are less critical.

**2. 2B Finish (Cold Rolled, Bright Annealed):

  • Appearance: It features a smooth, reflective surface with a slight directional grain pattern. It’s one of the most popular finishes for general applications.
  • Functionality: The 2B finish is versatile, easy to clean, and offers good corrosion resistance, making it suitable for a wide range of interior and exterior applications.

**3. No. 3 Finish (Intermediate Polished):

  • Appearance: A semi-polished finish with a finer grain than 2B, providing a more subdued reflective quality.
  • Functionality: While it maintains good corrosion resistance and is easy to clean, it’s often chosen for applications where aesthetic considerations lean toward a less glossy appearance.

**4. No. 4 Finish (Brushed or Satin):

  • Appearance: This finish is achieved by mechanically polishing the surface with abrasive materials. It has a uniform, fine grain pattern.
  • Functionality: The brushed finish offers a refined, contemporary look and hides small scratches and fingerprints well. It’s often used for architectural and decorative purposes in high-traffic areas.

**5. BA Finish (Bright Annealed):

  • Appearance: It offers a mirror-like reflective surface with fine grain lines.
  • Functionality: While providing excellent corrosion resistance and a highly attractive appearance, the BA finish can be susceptible to scratching and requires careful maintenance.

**6. No. 8 Finish (Mirror Finish):

  • Appearance: A highly reflective surface that mimics a mirror, offering a bright, glamorous look.
  • Functionality: The mirror finish is more delicate and may require more attention to cleaning and maintenance. It’s used in applications where aesthetics take precedence, such as decorative panels, fixtures, and accents.

**7. Patterned or Textured Finishes:

  • Appearance: These finishes have various patterns embossed or etched onto the surface, adding texture and visual interest.
  • Functionality: Patterned finishes not only enhance aesthetics but also can serve functional purposes like enhancing grip on flooring or reducing glare on surfaces.

The choice of finish depends on the intended use and design concept. Smooth and reflective finishes like 2B, No. 4, and No. 8 are often preferred for architectural and interior design due to their balanced blend of aesthetics and functionality. On the other hand, textured or patterned finishes might be used for specific design statements or practical considerations. Each finish offers a unique visual impact and contributes to the overall aesthetics of a project while also considering factors like durability, maintenance, and corrosion resistance.

6.What are the factors to consider when selecting 304 stainless steel suppliers?

When selecting suppliers for 630 stainless steel products, several factors should be carefully considered to ensure you are partnering with a reliable and reputable supplier. These factors include:

  1. Quality and Certification: Look for suppliers that provide 630 stainless steel products with high-quality standards. Check if they have relevant certifications, such as ISO 9001, which demonstrate their commitment to quality management processes.

  2. Experience and Reputation: Choose suppliers with a proven track record and extensive experience in supplying 630 stainless steel products. Check for customer reviews and testimonials to gauge their reputation in the industry.

  3. Product Range and Availability: Ensure that the supplier offers a comprehensive range of 630 stainless steel products, including sheets, plates, bars, and other forms. Verify their product availability and delivery timelines to meet your project requirements.

  4. Material Traceability: Check if the supplier can provide material traceability documentation, such as mill test reports (MTRs), to validate the authenticity and quality of the stainless steel products.

  5. Customization Capabilities: If your project requires specific dimensions or unique product configurations, choose a supplier that can accommodate customization requests and deliver tailor-made solutions.

  6. Competitive Pricing: Compare prices from multiple suppliers to ensure you are getting competitive rates without compromising on quality.

  7. Production Capacity: Evaluate the supplier’s production capacity and capabilities to ensure they can meet your demand for 630 stainless steel products, especially for larger or time-sensitive orders.

  8. Delivery and Logistics: Consider the supplier’s ability to handle shipping and logistics efficiently to ensure timely and secure delivery of the products to your location.

  9. Customer Service and Support: A supplier with excellent customer service can provide better support throughout the purchasing process and address any queries or concerns promptly.

  10. After-Sales Support: Inquire about the supplier’s after-sales support and warranty policies to ensure you have recourse in case of any issues with the delivered products.

  11. Global Reach: If your operations extend internationally, choose a supplier with a global reach and experience in international shipping and compliance with import/export regulations.

  12. Environmental Compliance: Consider suppliers that adhere to environmentally responsible practices and regulations to support sustainable sourcing and manufacturing.

By carefully assessing these factors, you can select a reliable supplier for 630 stainless steel products who can meet your specific needs and ensure the success of your projects.

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