304L 316L 904L Duplex Stainless Steel Plate Cold Hot Rolled 0.3mm-20mm 2B BA 8K Mirror Polished Metal Sheet
Product Spotlights
As a leading manufacturer with a strong foundation since 2017, Wuxi Yansheng Technology Co., Ltd. is proud to present our premium range of stainless steel plates and sheets. Our extensive experience, backed by a modern factory spanning 1,000-3,000 square meters and a dedicated team of 101-200 professionals, enables us to deliver superior metal solutions that meet the rigorous demands of global industries. We specialize in producing high-grade 304L, 316L, 904L, and Duplex stainless steel plates, available in both cold and hot rolled forms with thicknesses from a delicate 0.3mm up to a robust 20mm, and finished to impeccable 2B, BA, or stunning 8K mirror polish standards. Our commitment is to provide materials that offer exceptional corrosion resistance, strength, and aesthetic appeal, forming the reliable backbone for your most critical projects across construction, chemical processing, marine engineering, and food & beverage sectors.
Our stainless steel plates are engineered for performance and longevity. The selection of grades is tailored to specific environmental challenges:
304L Stainless Steel: An excellent general-purpose austenitic steel with low carbon content for enhanced weldability and good corrosion resistance in a wide range of atmospheres.
316L Stainless Steel: The molybdenum-bearing grade offers superior resistance to chloride-induced pitting and crevice corrosion, making it ideal for marine and chemical processing applications.
904L Stainless Steel: A high-alloy austenitic stainless steel designed for severe corrosive conditions, offering exceptional resistance to sulfuric acid and other aggressive media.
Duplex Stainless Steel: Combines the desirable attributes of austenitic and ferritic steels, resulting in high strength and excellent resistance to stress corrosion cracking, perfect for demanding structural and pressure vessel applications.
The manufacturing process is critical to the final product's quality. Our Hot Rolled plates are produced by heating slabs above their recrystallization temperature, resulting in a scaled surface ideal for further processing or applications where surface finish is not the primary concern. Our Cold Rolled sheets, rolled at room temperature, provide superior dimensional accuracy, a smoother surface, and increased strength, making them perfect for precision applications and aesthetic finishes.
We offer a variety of surface finishes to suit every need:
2B Finish: A smooth, moderately reflective cold-rolled finish, commonly used for industrial and general-purpose applications.
BA (Bright Annealed) Finish: A bright, reflective finish achieved by annealing in a controlled atmosphere furnace, offering a clean, shiny appearance suitable for decorative trim and appliances.
8K Mirror Polished Finish: A high-gloss, mirror-like polish achieved through a rigorous multi-step polishing process. This finish is highly sought after for architectural cladding, elevator interiors, kitchen backsplashes, and high-end decorative elements.
Our technical specifications ensure material consistency and reliability. Below is a summary of key properties for our standard grades:
| Grade | Typical Composition (Key Elements) | Key Characteristic | Primary Application Area |
|---|---|---|---|
| 304L | 18% Cr, 8% Ni, Low C | Good general corrosion resistance | Food processing, kitchen equipment |
| 316L | 16% Cr, 10% Ni, 2% Mo | Excellent pitting resistance | Marine, pharmaceutical, coastal architecture |
| 904L | 20% Cr, 25% Ni, 4.5% Mo, 1.5% Cu | Superior resistance to sulfuric acid | Chemical processing, pollution control |
| Duplex 2205 | 22% Cr, 5% Ni, 3% Mo, N | High strength & stress corrosion cracking resistance | Pressure vessels, offshore platforms, pulp & paper |
The advantages of sourcing from Wuxi Yansheng are clear. You gain access to a versatile material portfolio that can be matched precisely to your project's corrosion, strength, and aesthetic requirements. Our comprehensive thickness range from ultra-thin to heavy plate allows for design flexibility and material optimization. The availability of different surface finishes from functional to luxurious provides cost-effective solutions for both structural and decorative purposes. Furthermore, our manufacturing capabilities support customization in dimensions, tolerances, and processing, ensuring you receive a product tailored to your specific fabrication needs.
For our clients, this translates into tangible benefits: reduced lifecycle costs due to the material's durability and low maintenance, enhanced project aesthetics with premium finishes like 8K mirror polish, improved safety and reliability in critical applications thanks to the superior mechanical and corrosion-resistant properties, and streamlined procurement from a single, reliable source capable of supplying various grades and forms.
Our commitment to quality and customer trust is demonstrated by our operational scale and global reach. With an annual export value ranging between US$50 Million and US$100 Million, we serve a diverse clientele across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Mid East, and Western Europe. Our products are shipped efficiently through major ports like Tianjin, Shanghai, Qingdao, and Ningbo. The company's adherence to stringent quality management is reflected in its certifications, which include ISO 9001 for quality management systems. This robust operational framework ensures that every stainless steel plate leaving our facility meets consistent, high-quality standards, providing you with the reliability and performance your business depends on. Partner with us to leverage our manufacturing expertise and global logistics network for your next project.
Frequently Asked Questions (FAQ)
Q: What is the main difference between 304L and 316L stainless steel plates?
A: The primary difference is the addition of molybdenum (around 2%) in 316L. This element significantly enhances resistance to corrosion from chlorides and acids, making 316L the preferred choice for marine environments, chemical processing, and coastal applications where 304L might be susceptible to pitting.Q: Can you supply sheets with a non-standard width or length?
A: Yes, customization is a core part of our service. While we stock standard sizes like 1000mm x 2000mm or 1219mm x 2438mm, we can shear or slit plates to your specified width and length requirements. Please provide your detailed dimensions for a precise quotation.Q: Is the 8K mirror polish finish durable, or will it scratch easily?
A: The 8K mirror polish is a surface finish, not a protective coating. While it provides an exceptionally reflective, smooth surface, it can be susceptible to fine scratches if not handled or maintained properly. For high-traffic areas, we often recommend discussing protective films or specific cleaning protocols during fabrication and installation.Q: What are the typical lead times for orders of these stainless steel plates?
A: Lead times vary based on grade, size, finish, and order quantity. Standard grades and finishes in common sizes may be available from stock for quick shipment. For customized orders or large volumes, production lead time typically ranges from 15 to 30 days. We provide an estimated timeline with every formal quotation.Q: How does Duplex stainless steel compare to standard 304 or 316 in terms of cost and fabrication?
A: Duplex stainless steels generally have a higher initial material cost than 304 or 316 due to their alloy content. However, they offer approximately double the yield strength, allowing for the use of thinner sections and potential weight savings. Fabrication (cutting, welding) requires specific procedures and expertise compared to austenitic grades, which can influence overall project cost.Q: Do you provide material test certificates with the shipment?
A: Yes, we can provide Mill Test Certificates (MTCs) or Certificates of Conformance (COCs) upon request. These documents detail the chemical composition and mechanical properties of the supplied batch, verifying that the material meets the specified standard (e.g., ASTM A240). Please indicate this requirement when placing your order.Q: What packaging is used to protect the surface finish, especially for mirror-polished sheets, during transit?
A: We employ protective packaging to prevent surface damage. For standard finishes, plastic or paper interleaving between sheets is common. For highly polished 8K mirror sheets, we use a more rigorous method, often involving protective plastic film on the polished surface, sturdy wooden crates, and edge protectors to ensure the product arrives in pristine condition.Q: Are your stainless steel plates suitable for food contact applications?
A: Grades like 304L and 316L are widely used and accepted for food contact applications due to their corrosion resistance, cleanability, and non-reactive nature. It is the customer's responsibility to ensure the specific grade and finish comply with the relevant food safety regulations in their country or region for the intended use.
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