Expanded Stainless Steel Sheet And Metal Mesh

An expanded stainless steel sheet is a flat, thin stainless steel product processed by slitting and stretching. It features regular diamond-shaped openings, resembling a mesh. This versatile product is also known as expanded stainless steel mesh or expanded metal mesh. Besides stainless steel, expanded sheets are available in carbon steel, aluminum, copper, and more. As expanded metal sheets are formed from a single piece of metal without joints or scraps, they save costs in production. With enhanced strength and tensility, expanded metal sheets are ideal for various applications, including security fencing, window and stair screens, facades, gratings, and facility guards.

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    Applications For Expanded Metal Mesh

    Diamond-shaped opening holes are prevalent in expanded metal mesh due to their durability and resistance to mechanical deformation. This structure effectively disperses energy upon impact, enhancing its impact resistance. This versatile metal sheet serves security and protective purposes, finding applications in window security mesh, warehouse fences, walkway screens, cladding, ceilings, gratings, flooring, and more. Furthermore, expanded metal mesh provides a cost-effective decorative solution alongside its numerous practical uses.

    Expanded stainless steel mesh combines durability and toughness with a lightweight and cost-effective nature. Its small opening holes provide ventilation and security, making it suitable for various spaces. This ductile metal mesh finds wide applications, including drainage covers and walkway flooring panels. With its high strength, it can withstand heavy loads, while the mesh surface prevents slips and falls, ensuring safety in those areas.

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      Specifications Of Expanded Stainless Steel Sheet

      Standard:JIS, AiSi, ASTM, GB, DIN, EN.
      Thickness:0.3 mm – 3.0 mm.
      Width:1000mm, 1219mm, 1250mm, 1500mm, Customized.
      Length:2000mm, 2438mm, 2500mm, 3000mm, 3048mm, Customized.
      SS Grade:Stainless Steel: 304, 316, 201, 430, etc. or Aluminium
      Technique:Cold Rolled.
      Finish:Anodized, Powder Coated, Sandblasted, etc.
      Colors:Silver, Gold, Rose Gold, Champagne, Copper, Black, Blue.
      Edge:Mill, Slit.
      Applications:Security Screens, Facade, Partitions, Ceilings, Fencings,
      Packing:PVC + Waterproof  Paper + Wooden Package.

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        Color & Finish Options Of Expanded Metal Sheet

        Expanded stainless steel sheet typically has a natural metallic finish. However, alternative surface finishes and colors offer various styles to meet diverse requirements. Our expanded metal sheets come in an extensive range of colors, processed using different finishing methods. They make a visual impact in interior or exterior spaces, leaving a lasting impression. These attractive elements enhance aesthetics and, besides their decorative purpose, the finishing material also acts as a protective layer, improving resistance to wear and corrosion.

        When it comes to surface treatments for expanded metal sheets, two commonly used methods for aluminum are powder coating and anodizing. These processes offer distinct properties and effects. To help consumers make an informed decision, here’s a concise overview of these finishing methods, enabling them to choose the most suitable one for their desired styles.

        A combination of electrolytic and chemical processes goes into creating an anodized finish. It forms a natural oxide layer on the metal surface, providing a decorative effect and enhancing corrosion and oxidation resistance. Anodizing is particularly suitable for aluminum, creating a durable protective layer of aluminum oxide. This procedure, as opposed to plating or painting, avoids peeling and chipping to produce effects that last a long time.


        • The anodizing layer on the surface is resistant to severe weather.
        • The anodizing material is durable and tough, and not easy to wear and peel off.
        • When the anodizing is being processed, some elements can be added in to give it more colors available.
        • The anodizing layer can be the underlayer for surface enhancement.

        Powder coating, a popular metal surface treatment, involves a dry finishing process. By applying a powdered polymer coating onto the sheet metal through an electrostatic process, the material forms a bond. This is followed by rapid curing with heat, resulting in a durable and colorful layer. Powder coating offers functional benefits and a wide range of color options, allowing for appealing aesthetic effects.


        • The color and appearance of powder coating can be retained originally for a long time.
        • The layer of powder coating is much thicker than other traditional paintings, and it’s more tough and evenly distributed.
        • Materials for powder coating are environmentally friendly as it releases nearly no volatile organic compounds into the air.
        • A wide variety of color options are available to help metal achieve a stunning and eye-catching appearance.

        Notes: powder coated finish doesn’t suit all types of metals.

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          What Is Expanded Stainless Steel Mesh?

          Expanded stainless steel mesh is produced from a solid stainless steel sheet, which is processed by applying to cut and stretching processes to form numerous opening holes with a regular diamond shape. The stainless steel sheet is stretched out to make it like a wire mesh. Other types of metals are also suitable for making expanded mesh, such as carbon steel, aluminum, copper, etc. A large mesh can be formed by expanding a small piece of the metal sheet without wasted material, and its lightweight property allows easy transportation and installation, all these make cost-effective and eco-friendly solutions for any application.

          The opening hole size directly affects airflow and light transmission, adjustable based on mesh size. Expanded stainless steel mesh offers numerous practical advantages, making it versatile for various applications. Its durability and toughness ensure safety and security when used as a dividing screen. Furthermore, it promotes natural ventilation and illumination, allowing for well-lit and well-ventilated interior spaces.

          Benefits Of Expanded Stainless Steel Sheet

          The expanded stainless steel sheet is widely used as a metal mesh screen. It undergoes slitting and stretching, expanding it to 3-6 times its original length, resulting in a lightweight sheet. However, it maintains high mechanical strength, making it ideal for security and protection. Additionally, it offers sound absorption, high tensile strength, durability, high loading capacity, cost-effectiveness, and more. Let’s delve into its benefits further below.

          Strength & Lightweight

          Expanded stainless steel sheets undergo a size increase while maintaining a lightweight yet robust structure. The absence of welding joints ensures integrity and strength throughout the mesh. It proves ideal for security mesh screen gates, deterring unauthorized access, and providing safety protection. Its superior strength surpasses that of the original sheet, safeguarding against accidents and ensuring security.

          Rust & Corrosion Resistance

          Due to stainless steel's corrosion resistance, expanded stainless steel mesh is suitable for indoor and outdoor applications. It contains elements that enhance its ability to withstand corrosion from acids and alkaline substances. Additionally, expanded metal offers other metal options like aluminum, galvanized steel, and copper, catering to diverse needs.


          Similar to perforated metal, expanded stainless steel sheets feature numerous opening holes that facilitate proper airflow and ventilation within interior spaces. The ventilation rate is determined by the percentage of opening area, ensuring a balance between airflow and the sheet's strength and security capabilities.

          Cost Effectiveness

          Unlike perforated metal, an expanded metal sheet is processed to create opening holes without wastage of material, there is no scrap metal when the expanded sheet comes out, which will lower your material costs. And expanded stainless steel sheets are processed by being integrally stretched, one sheet can be expanded out to form a much larger piece, so you don’t need to do more process to join them together, this means that you can cost less on the labor.


          The expanded stainless steel sheet is generally easy to be customized according to your specific requirements. For example, if you want to make the mesh with more strength and durability, then you can process it with smaller cuts and gaps, such a structure will limit its final stretched area, conversely, if you want the sheet with a lighter weight or larger stretched area, then you can make it with larger cuts and gaps, but you will get less strength and protective capability from it. Once you use expanded metal as the flooring, the size and angle of the diamond shape can determine its anti-slip performance.


          Apart from its practical properties, the expanded stainless sheet possesses a natural metallic essence. The patterns of opening areas add aesthetic and artistic elements, making it an ideal solution for enhancing spaces with both security and decorative purposes in mind.

          Custom-Made Solutions

          TBK Metal

          One of the Leading Expanded Metal Mesh Suppliers in China

          TBK Metal stands out as a renowned name in the metal industry, known for being a top supplier of expanded metal mesh in China. Quality and customer satisfaction are their primary focus, building a strong reputation as a reliable source for various expanded metal mesh products. Their advanced manufacturing plant, equipped with state-of-the-art machinery and skilled personnel, enables precise and efficient production of high-quality expanded metal mesh.

          TBK Metal, a leading supplier, offers an extensive selection of expanded metal mesh products catering to diverse industrial and commercial needs. Their product line includes both standard and customized designs, providing customers with ample flexibility and a broad range of choices. TBK Metal’s comprehensive range ensures they can meet specific requirements across various industries, including architecture, filtration, security, and more, delivering complete solutions for industry-specific demands.

          TBK Metal’s commitment to quality is evident through its rigorous quality control procedures and adherence to international standards. They prioritize longevity, sturdiness, and dependability by utilizing premium raw materials and state-of-the-art production methods for their expanded metal mesh products. With a dedicated team of skilled industry experts, TBK Metal provides clients with accurate product recommendations and technical support, ensuring customer satisfaction every step of the way.

          TBK Metal is a leading supplier of expanded metal mesh in China. Renowned for its commitment to quality, vast product range, and exceptional customer support, TBK Metal remains pivotal in delivering reliable and innovative solutions. With advanced manufacturing capabilities and a customer-centric approach, TBK Metal caters to both domestic and international sectors, ensuring customer satisfaction and meeting diverse requirements.

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