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Help Center304 SS Filter Mesh 40 Mesh 0.3mm Wire Diameter ISO 9001 Mill Test Report
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Welcome to Anping County Boli Hardware Wiremesh Products Factory – your trusted manufacturer of premium stainless steel wire mesh since 1998. With an annual export value of US$5-10 million and a global footprint spanning North America, Europe, Asia, and beyond, we supply high-quality 304 SS Filter Mesh precisely engineered to meet your industrial filtration needs. Our 40 mesh, 0.3mm wire diameter mesh is produced under strict ISO 9001 quality management, and each shipment can be accompanied by a Mill Test Report for full traceability.
This 304 Stainless Steel Filter Mesh combines corrosion resistance, mechanical strength, and precise filtration. The 40 mesh count (40 openings per linear inch) with a 0.3mm wire diameter delivers an effective aperture of approximately 0.335mm, making it ideal for particle separation, liquid filtration, and powder sieving. Whether you need a durable filter element for chemical processing, food & beverage production, or water treatment, this mesh offers consistent performance and long service life.
Key Features & Technical Specifications:
- Material: Genuine 304 stainless steel (SS304) – excellent resistance to rust, oxidation, and mild chemicals.
- Mesh Count: 40 Mesh (40 x 40 wires per square inch) – balanced filtration and flow rate.
- Wire Diameter: 0.3 mm (0.0118 inch) – robust construction for high-pressure applications.
- Open Area: Approximately 40% – ensures efficient fluid passage while retaining particles.
- Weave Type: Plain weave – uniform, stable structure with smooth surface.
- Operating Temperature: Up to 800°C (in reducing atmosphere) – suitable for hot gas filtration.
- Tensile Strength: High – withstands mechanical stress and vibration.
- ISO 9001 Certified: Our manufacturing process is audited and certified, guaranteeing consistent quality.
- Mill Test Report: Available upon request for each batch, detailing chemical composition and mechanical properties.
| Parameter | Value |
|---|---|
| Material | 304 Stainless Steel (SS304) |
| Mesh Count | 40 Mesh (per inch) |
| Wire Diameter | 0.3 mm (0.0118 inch) |
| Aperture (Opening) | Approx. 0.335 mm (335 microns) |
| Open Area | ~40% |
| Weave Type | Plain Weave |
| Standard Roll Width | 1.0 m, 1.2 m, 1.5 m (customizable) |
| Length per Roll | 30 m (standard) or as required |
| Certification | ISO 9001:2015 |
| Mill Test Report | Available on request |
Advantages for Your Business:
- ✅ Consistent Filtration Performance – The uniform plain weave ensures reliable particle retention and high flow rates.
- ✅ Long Service Life – 304 stainless steel resists corrosion, making it suitable for acidic or alkaline environments.
- ✅ Easy to Clean – Smooth surface and durable construction allow repeated cleaning and reuse.
- ✅ Customizable Dimensions – We can cut mesh to specific sizes or provide rolls, sheets, or pre-cut pieces.
- ✅ Traceable Quality – Each batch can be supplied with a Mill Test Report, giving you full confidence in material composition.
- ✅ Global Shipping – We ship from ports including Tianjin, Qingdao, Shanghai, and Foshan, with fast delivery to major markets worldwide.
Applications: This 40 mesh 304 SS filter mesh is widely used in:
- • Chemical and petrochemical filtration (catalyst recovery, liquid polishing)
- • Food and beverage processing (juice, beer, wine, edible oil filtration)
- • Water and wastewater treatment (screening, pre-filtration)
- • Pharmaceutical and biotechnology (sieving powders, particle separation)
- • Mining and mineral processing (ore sizing, dewatering screens)
- • Automotive and aerospace (air/oil filters, metal mesh components)
- • Architecture and decorative applications (mesh panels, safety screens)
Trust Anping County Boli Hardware Wiremesh Products Factory – with over 25 years of manufacturing expertise, we have delivered millions of square meters of wire mesh to satisfied customers worldwide. Our annual export value of US$5-10 million reflects our commitment to quality and reliability. We are ISO 9001 certified, ensuring every step of production meets international standards. Whether you need a small sample or a large container order, we are ready to serve you. Contact us today for a quotation or to request a Mill Test Report—your filtration solution starts here.
Frequently Asked Questions (FAQ)
-
Q: What is the exact aperture size of this 40 mesh 0.3mm wire diameter mesh?
A: The aperture (opening) is approximately 0.335 mm (335 microns). This is calculated by (25.4 mm/inch ÷ 40 mesh) – 0.3 mm wire diameter = 0.335 mm. Slight variations may occur due to manufacturing tolerances. -
Q: Is this mesh suitable for food contact applications?
A: Yes, 304 stainless steel is food-grade and commonly used in food processing. However, if you require specific food safety certifications (e.g., FDA, EU 1935/2004), please contact us to discuss additional testing or documentation. -
Q: Can you provide a Mill Test Report (MTR) for the material?
A: Absolutely. We can provide a Mill Test Report for each batch upon request, documenting the chemical composition (C, Cr, Ni, Mn, etc.) and mechanical properties (tensile strength, yield strength, elongation). -
Q: What are the available roll sizes and packaging options?
A: Standard rolls are 1.0m, 1.2m, or 1.5m wide and 30m long. We can also cut to custom sizes or supply sheets. Packaging is done with protective wrapping (kraft paper, plastic film) to prevent damage during transit. -
Q: How does the 40 mesh compare to other mesh counts for filtration?
A: 40 mesh is a medium mesh, ideal for filtering particles down to about 335 microns. It provides a balance between flow rate and particle retention. For finer filtration, choose a higher mesh (e.g., 80 mesh); for coarser, choose a lower mesh (e.g., 20 mesh). -
Q: Is this mesh resistant to high temperatures?
A: 304 stainless steel can withstand continuous service temperatures up to 870°C in oxidizing atmospheres, but for optimal performance in filtration, we recommend a maximum operating temperature of around 500°C. For higher temperatures, consider 316L or 310S mesh. -
Q: What is the lead time for orders?
A: For standard stock sizes, we can ship within 7-15 days after order confirmation. Custom orders may require 15-25 days depending on quantity and specifications. We work efficiently to meet your deadline. -
Q: Do you offer samples before bulk purchase?
A: Yes, we provide small samples (e.g., A4 size or 1 sq. ft.) for testing. Sample cost is usually covered by the customer, but we can refund the cost upon bulk order. Please contact our sales team for details.
Why choose us? Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a reliable manufacturer and exporter of wire mesh products. With an annual export value of US$5-10 million, we serve diverse markets including North America, Europe, Southeast Asia, and the Middle East. Our ISO 9001 certification, combined with our Mill Test Report capability, ensures that every roll of 304 SS Filter Mesh meets the highest standards. Contact us today to place an order or inquire about custom solutions.
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