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Help Center904L Stainless Steel Woven Filter Screen With Custom Cutting and Welding
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Anping Xinye Metal Wire Mesh Products Co., Ltd, located in the heart of China's wire mesh industry in Hengshui, Hebei, proudly presents our 904L Stainless Steel Woven Filter Screen with custom cutting and welding services. This premium filter screen is engineered for extreme corrosion resistance, making it ideal for demanding environments such as chemical processing, marine applications, and oil & gas filtration. By combining high-grade 904L stainless steel with precise weaving and flexible customization, we offer a solution that meets the most stringent filtration requirements.
Key Features & Benefits
- Exceptional Corrosion Resistance: 904L stainless steel contains higher molybdenum and nickel content than 316L, providing superior resistance to sulfuric acid, hydrochloric acid, and chloride stress corrosion cracking.
- High-Temperature Stability: Suitable for continuous use up to 400°C (752°F) in oxidizing environments, maintaining structural integrity under thermal stress.
- Precision Weaving: Our woven mesh is produced with tight tolerances, ensuring consistent aperture sizes and uniform filtration performance.
- Custom Cutting & Welding: We offer laser cutting, plasma cutting, and TIG/MIG welding to create panels, discs, cylinders, or complex shapes — all tailored to your exact specifications.
- Enhanced Durability: The 904L alloy resists pitting, crevice corrosion, and intergranular attack, extending the service life of the filter screen in aggressive media.
- Flexible Mesh Options: Available in plain weave, twill weave, and Dutch weave patterns, with mesh counts from 1 to 400 mesh, allowing selection of optimal filtration fineness.
- Improved Flow Efficiency: High open area percentage (up to 60%) for minimal pressure drop while maintaining effective particle retention.
- Easy Maintenance: Smooth surface and non-stick properties reduce clogging, making cleaning and backwashing more efficient.
Technical Specifications
| Parameter | Value Range |
| Material | 904L Stainless Steel (UNS N08904) |
| Weave Type | Plain, Twill, Dutch, Reverse Dutch |
| Mesh Count | 1 – 400 mesh |
| Wire Diameter | 0.025 mm – 2.0 mm |
| Aperture Size | 0.02 mm – 10 mm |
| Open Area | 30% – 60% (depending on weave) |
| Working Temperature | Up to 400°C (continuous) |
| Custom Cutting Accuracy | ±0.5 mm (laser cutting) |
| Welding Quality | Full penetration, no slag, smooth finish |
Applications
Our 904L stainless steel woven filter screen is widely used in:
- Chemical Processing: Filtration of sulfuric acid, hydrochloric acid, and other corrosive liquids.
- Pharmaceutical Industry: Sieving of active ingredients, catalyst recovery, and sterile filtration.
- Oil & Gas: Downhole sand control, refinery filters, and desalination plants.
- Marine Engineering: Seawater intake screens, ballast water treatment, and offshore platforms.
- Food & Beverage: Filtration of acidic fruit juices, vinegar, and pickling solutions.
- Wastewater Treatment: Industrial effluent filtration, sludge dewatering, and metal recovery.
- Mining & Metallurgy: Ore screening, mineral processing, and acid leaching filters.
Customization Services
We understand that every filtration application is unique. That's why we offer comprehensive customization:
- Cut to size: Rectangular, square, circular, or irregular shapes.
- Edge finishing: Folded edges, hemmed edges, or welded frames.
- Welding options: TIG welding for thin gauges, MIG for thicker panels, or spot welding for multi-layer screens.
- Surface treatment: Pickling, passivation, or electropolishing for enhanced corrosion resistance.
- Bundled assemblies: Multiple layers, support grids, or gasket attachments.
Why Choose Anping Xinye?
As a leading manufacturer in the wire mesh industry for over 20 years, Anping Xinye Metal Wire Mesh Products Co., Ltd has built a reputation for quality, reliability, and customer satisfaction. Our factory is equipped with advanced weaving looms, laser cutting machines, and welding stations, staffed by experienced technicians. We have exported to 40+ countries worldwide, supplying filter screens for critical applications in petrochemical, pharmaceutical, and marine sectors. With a monthly production capacity of 50,000 square meters, we can handle both small prototypes and large-volume orders. Every screen undergoes strict quality control — including dimensional inspection, mesh count verification, and weld integrity testing — to ensure you receive a product that performs flawlessly.
Contact us today to discuss your custom 904L stainless steel woven filter screen requirements. Our team will provide a quick quotation, technical support, and fast turnaround. Let us help you achieve optimal filtration efficiency with a product built to last.
Frequently Asked Questions
Q1: What makes 904L stainless steel better than 316L for filter screens?
A: 904L contains higher nickel (23-28%) and molybdenum (4-5%) content, which significantly improves resistance to reducing acids like sulfuric acid and chloride stress corrosion cracking. It also has a lower carbon content to minimize carbide precipitation during welding, making it ideal for harsh chemical environments.
Q2: Can you cut the screen to any shape I need?
A: Yes, we offer custom laser cutting and plasma cutting services to produce virtually any shape — circles, rectangles, ovals, or complex contours — with high precision (±0.5 mm tolerance).
Q3: What welding methods are available for joining the screen?
A: We provide TIG (tungsten inert gas) welding for thin wires and MIG welding for thicker sections. We also do spot welding for multi-layer assemblies. All welds are performed by certified welders to ensure strength and corrosion resistance.
Q4: What is the maximum size of a single piece you can make?
A: Our standard roll width is up to 1.5 meters, but we can weld or join multiple panels to create larger dimensions. Custom sizes up to 3 meters x 3 meters are possible with proper support.
Q5: How do I choose the right mesh count for my filtration application?
A: The mesh count determines the aperture size. For coarse filtration (e.g., removing large particles), use 10-40 mesh; for fine filtration (e.g., catalyst recovery), use 100-400 mesh. Our technical team can help you select based on your particle size distribution and flow rate requirements.
Q6: Does the screen come with a certificate of material?
A: Yes, we can provide a mill test certificate (MTC) for the 904L stainless steel material upon request, verifying the chemical composition and mechanical properties.
Q7: What is the typical lead time for custom orders?
A: For standard sizes and simple shapes, lead time is 7-10 working days. Complex or large-volume orders may require 15-20 working days. We will confirm the schedule upon order placement.
Q8: How should I clean the 904L woven filter screen?
A: The screen can be cleaned by backwashing, ultrasonic cleaning, or chemical cleaning using mild agents. Avoid using chlorinated solvents or abrasive brushes that may damage the surface. For heavy fouling, alkaline or acidic cleaning solutions (compatible with 904L) can be used.
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