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Help CenterStainless Steel Expanded Metal 316L 1.2mm Thickness 8x4mm Opening for Chemical Filter Application
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Anping Xinye Metal Wire Mesh Products Co., Ltd, located in the wire mesh capital of China – Hengshui, Hebei, has been manufacturing high-quality expanded metal for over 15 years. Our Stainless Steel Expanded Metal 316L – 1.2mm thickness with 8x4mm opening is specifically engineered for demanding chemical filter applications. This product combines exceptional corrosion resistance, precise open area, and mechanical strength to meet the rigorous requirements of filtration systems in chemical processing, petrochemical, and pharmaceutical industries.
The 316L grade offers superior resistance to chlorides, acids, and alkaline media compared to standard 304, making it an ideal choice for harsh environments. With a uniform diamond pattern and consistent opening size, our expanded metal ensures optimal flow distribution and reliable particle retention. Whether installed as a filter support, a pre-filter layer, or a structural component in a filter press, this product delivers long-lasting performance.
Key Features & Technical Specifications
- Material Grade: 316L stainless steel (low carbon, molybdenum-bearing) – excellent weldability and corrosion resistance.
- Thickness: 1.2 mm (0.047 inch) – provides sufficient rigidity for filter support while maintaining flexibility for forming.
- Opening Size: 8 mm (long way) x 4 mm (short way) – diamond-shaped openings with a clear aperture for efficient fluid passage.
- Strand Width: Approximately 0.5 mm – narrow strands maximize open area and reduce pressure drop.
- Open Area: ~65% – high open area enhances filtration throughput.
- Sheet Size: Standard 1m x 2m, 1.22m x 2.44m; custom sizes available upon request.
- Surface Finish: Mill finish (as expanded); optional pickling & passivation for improved cleanliness and corrosion resistance.
- Pattern: Standard diamond pattern; flattened or raised styles available.
| Parameter | Value | Remarks |
|---|---|---|
| Material | 316L Stainless Steel | ASTM A240, low carbon |
| Thickness | 1.2 mm | ±0.1 mm tolerance |
| Opening (LWD x SWD) | 8 mm x 4 mm | Diamond pattern |
| Strand Width | ~0.5 mm | Varies slightly with expansion |
| Open Area | ~65% | High flow capacity |
| Standard Sheet Size | 1m x 2m | Custom sizes available |
Advantages for Chemical Filter Applications
- Outstanding Corrosion Resistance: 316L’s molybdenum addition provides excellent resistance to pitting and crevice corrosion in chloride-laden chemical environments.
- Consistent Open Area: The 8x4mm diamond pattern ensures uniform flow distribution, reducing channeling and improving filtration efficiency.
- Mechanical Strength: The 1.2mm thickness combined with the expanded structure offers superior load-bearing capacity compared to woven wire mesh of similar open area.
- Easy Cleaning & Backwashing: The smooth surface and non-clogging diamond pattern allow effective backwashing and chemical cleaning, extending service life.
- Customizable Dimensions: We can supply sheets cut to exact size, or coiled rolls for continuous filter applications.
- Cost-Effective: Expanded metal is typically more economical than perforated or welded mesh for large filtration areas.
Our 316L expanded metal is widely used in chemical filter presses, basket strainers, inline filters, and air intake filters where aggressive media or high-temperature conditions prevail. The product meets the tight tolerances required for OEM filter systems and aftermarket replacements.
Why Choose Anping Xinye?
With over 15 years of manufacturing experience, Anping Xinye Metal Wire Mesh Products Co., Ltd has established a reputation for consistent quality and reliable supply. Our factory is equipped with advanced expanding machines and precision shearing lines, enabling us to produce expanded metal with tight tolerances and smooth edges. We have supplied thousands of tons of stainless steel expanded metal to customers across Europe, North America, Southeast Asia, and the Middle East.
We understand the critical nature of filtration in chemical processes. That is why we implement strict quality control at every stage: incoming material inspection (verified with mill certificates), in-process dimensional checks, and final visual inspection before packaging. Our 316L expanded metal is packed in wooden crates or steel pallets to prevent damage during transit.
Choose Anping Xinye for your chemical filter expanded metal needs. We offer competitive pricing, fast lead times, and technical support to help you select the right specifications. Contact us today for a quote or free sample.
Frequently Asked Questions (FAQ)
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What is the difference between 304 and 316L expanded metal for chemical filters?
316L contains molybdenum, which provides superior resistance to chlorides and acidic chemicals. For applications involving brine, seawater, or sulfuric acid, 316L is recommended. 304 is suitable for milder environments. -
Can you provide expanded metal with a flattened surface?
Yes, we offer both standard (raised) and flattened (smooth) expanded metal. Flattened is often preferred for filter applications where a uniform surface is needed for gasket sealing. -
What is the maximum sheet size you can produce?
Our standard maximum sheet size is 1.22m x 2.44m (4ft x 8ft). Larger sizes up to 2m x 4m are available upon request, subject to material gauge and pattern. -
Is this product suitable for high-temperature filtration?
316L stainless steel maintains good mechanical properties up to 800°C in continuous service, though oxidation resistance decreases above 500°C. For high-temperature chemical filters, please consult our technical team for specific recommendations. -
Do you offer cut-to-size pieces for filter frames?
Absolutely. We can cut expanded metal sheets to your exact dimensions, including irregular shapes or custom hole patterns. Minimum order quantities may apply. -
How is the open area calculated for this mesh?
Open area is calculated based on the ratio of total opening area to total sheet area. For 8x4mm diamond with ~0.5mm strand width, the open area is approximately 65%. We can provide a detailed calculation upon request. -
What packaging do you use for export?
Sheets are packed in wooden crates or steel pallets with protective edges to prevent bending. Smaller quantities are packed in cartons. All packaging is suitable for sea freight. -
Do you provide samples for testing?
Yes, we offer free samples (A4 size or as agreed) with the customer covering shipping costs. Samples are typically dispatched within 3 working days.
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