5mm Round Stainless Metal Perforated Mesh | 7mm Pitch x 1mm Thick

Perforated Metal Sheeting

Top quality perforated metal sheeting supplied straight from Warrington, UK.

In industries such as manufacturing, construction and architecture, metal perforated mesh is a versatile and durable material. Our top-quality stainless metal perforated mesh measures 5mm in diameter and has a pitch of 7mm and a thickness of 1mm. The mesh is made from 304-grade stainless steel, which is not only corrosion-resistant but also has good hygiene properties. For environments where cleanliness and hygiene are paramount, it is an ideal choice due to its low maintenance requirements. A second advantage of the mesh is that it can be molded into different shapes easily due to its malleability. With its versatility and aesthetics, this metal perforated mesh is an excellent option for ventilation, filtration or decoration.

Specification

• Aperture – 5mm Round Hole
• Pitch – 7mm
• Web – 2mm
• Sheet Thickness – 1mm
• Metal – Stainless Steel 304 Grade
• Open Area – 40.06%

Speciality Metals are the best suppliers for you because:

• FREE UK delivery on all orders
• Order dispatch within 24 hours of order
• Located in Warrington, UK which is the UK home of mesh and metals
• Our experienced staff are experts in the mesh market and care personally about your customer experience

Speciality Metals is a trusted UK based distributor of fasteners, sheet metal, flat bar and round tube. We specialise in rapid delivery to any location around the country. Our team of experienced, friendly staff are at hand at all times to process your order.

FAQs About This Product

Can Stainless Steel 304 Perforated Metal be Used for Thermal Applications?

Stainless Steel 304 (SS 304) is versatile and can indeed be used in various thermal applications, but there are considerations to be aware of:

1. Thermal Conductivity: SS 304 has relatively low thermal conductivity compared to metals like copper or aluminum. This means it doesn’t transfer heat as efficiently, which can be advantageous or disadvantageous depending on the application. For example, it may not be the first choice for heat sinks but could be used as a heat shield.

2. Thermal Expansion: Stainless steel expands when heated. It’s essential to account for this in designs where dimensional stability under temperature changes is crucial.

3. Heat Tolerance: SS 304 can sustain high temperatures, but prolonged exposure to temperatures above 800°C (1470°F) may lead to a phenomenon called sensitisation, which could make the steel susceptible to corrosion.

4. Heat Treatment: SS 304 can be hardened only through cold working, not by heat treatment. If the perforated metal sheet undergoes any heating, it’s important to ensure that it doesn’t adversely affect the material’s mechanical properties.

5. Perforations Impact: The presence of perforations can influence the thermal behavior of the sheet. For instance, a perforated sheet can dissipate heat faster due to increased surface area and air flow.

6. Applications: SS 304 perforated metal is often used in thermal applications such as radiant heaters, heat shields, oven screens and more.

7. Corrosion Considerations in Thermal Environments: While SS 304 is resistant to many corrosive environments, elevated temperatures can change this behavior, especially in the presence of certain chemicals. Ensure compatibility if the thermal application involves any corrosive agents.

8. Welding: If welding is required, it’s essential to be cautious about the heat-affected zone (HAZ) where sensitisation might occur, making the area around the weld potentially more susceptible to corrosion.

Can Stainless Steel Perforated Mesh be Bent or Folded?

Yes, stainless steel perforated mesh can be bent or folded, but several considerations must be taken into account to ensure the process is successful and the integrity of the material is maintained:

1. Thickness of the Sheet: The thickness of the sheet determines the force required to bend it. Thicker sheets require more force and may also need a larger bend radius to avoid damage.

2. Perforation Size and Pattern: The presence of perforations can influence the bendability of the sheet. If the bend line aligns with rows of perforations, there’s an increased risk of tearing or distorting the mesh during the bend process. Ideally, bending should be planned so that the solid regions of the mesh absorb most of the stress during the bending process.

3. Bend Radius: The bend radius is the inner radius of the bend. Stainless steel has a higher spring-back than mild steel, so it’s essential to account for this when determining the bend radius. A larger bend radius can reduce the risk of damage during the bending process.

4. Grain Direction: Like many metals, stainless steel has a grain structure. Bending parallel to the grain direction can result in a smoother bend, while bending against the grain may increase the risk of cracking or other defects.

5. Tooling and Equipment: The tools and equipment used to bend the stainless steel mesh must be in good condition and appropriate for the thickness and type of stainless steel. Using the wrong tools can damage the mesh or result in an improper bend.

6. Annealing: If the stainless steel mesh is becoming work-hardened (from previous processes or from bending itself), it might become brittle. In such cases, annealing (a heat treatment process) can be used to restore some of the material’s ductility.

7. Protective Measures: To avoid scratching or damaging the surface of the stainless steel mesh, the tools and equipment used should be clean and free of any rough edges. Some fabricators use protective films or soft barriers during the bending process.

8. Post-Bending Operations: After bending, it’s a good idea to inspect the mesh for any signs of damage, cracking or distortion. If the mesh is to be used in a corrosive environment, ensure that any protective passive layer damaged during bending is restored, either through natural oxidation or passivation.

Is 304 Stainless Steel Perforated Sheet Suitable for Agricultural Uses?

304 stainless steel perforated sheet is appropriate for various agricultural uses, but the suitability largely depends on the specific application within the agricultural sector.

The 304-grade stainless steel is known for its corrosion resistance, which means it performs well in environments where it might be exposed to moisture, fertilizers and mild chemicals—conditions frequently encountered in agriculture. For instance, it can be used for making animal feeders, grain drying screens, machinery guards and ventilation screens. Its perforations allow for efficient airflow, drainage and sieving functionalities. Moreover, its resistance to rust is beneficial in preventing contamination in processes that involve food and crops. However, it’s important to note that while 304 stainless steel offers good resistance to many corrosive agents, it might not be the best choice for environments with high salinity or exposure to more aggressive chemicals. In such cases, a higher grade like 316 might be more appropriate.

Check out our blog discussing What is Perforated Mesh. It will prove a useful read to help you to make an informed decision on which material would work best for you. 

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Our goal for our blogs, videos and help guides is to answer as many questions as possible to help to explain the possibilities of mesh to our customers.  Contact us today if you have any questions at all. We are always really keen to help in any way that we can.

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