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Help CenterDuplex Stainless Steel Screen 1.2mm Aperture 304L Equivalent Tensile Strength 750MPa
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As a leading manufacturer based in Hengshui, Hebei, China, Anping County Boli Hardware Wiremesh Products Factory has been dedicated to producing high-quality wire mesh since 1998. Our Duplex Stainless Steel Screen 1.2mm Aperture 304L Equivalent Tensile Strength 750MPa is engineered to meet the demanding requirements of industrial filtration, mineral processing, and chemical screening. With an annual export value exceeding USD 5 million and shipments to over 15 global markets, we combine decades of weaving expertise with rigorous quality control to deliver screens that offer superior strength, corrosion resistance, and precise aperture accuracy.
This product is specifically designed for applications where standard 304L stainless steel mesh falls short in mechanical strength, yet the material must remain weldable and resistant to chloride-induced stress corrosion. The duplex microstructure provides nearly double the yield strength of austenitic grades, while maintaining excellent toughness. The 1.2mm aperture (equivalent to approximately 12 mesh) is ideal for separating particles between 1.0mm and 1.5mm, offering a balance between throughput and fine filtration.
Key Features & Technical Specifications
- Duplex Stainless Steel Grade: Typically 2205 (UNS S32205) or equivalent, offering a ferritic-austenitic dual-phase structure that combines high strength with outstanding corrosion resistance.
- Precise Aperture 1.2mm: Manufactured with tight tolerances (±0.05mm) to ensure consistent separation performance. The opening size is suitable for a wide range of granular materials, from sand and gravel to chemical powders.
- Tensile Strength 750MPa: This screen can withstand heavy loads and high-pressure washing without deformation. The minimum tensile strength of 750 MPa ensures long service life even under dynamic loading conditions.
- 304L Equivalent Properties: While the material is duplex stainless steel, its weldability and general corrosion resistance are comparable to 304L, making it easy to integrate into existing equipment using standard welding techniques.
- Customizable Wire Diameter: The wire diameter can be adjusted according to client requirements (e.g., 0.50mm, 0.63mm, or 0.80mm) to optimize open area percentage and flow rate.
- Weave Styles Available: Plain weave for standard applications, or twill weave for finer filtration and higher strength. Both are offered in rolls or cut-to-size panels.
| Parameter | Value |
|---|---|
| Material | Duplex Stainless Steel (2205 / 1.4462) |
| Aperture (Mesh Opening) | 1.2 mm (approx. 12 mesh) |
| Tensile Strength (min) | 750 MPa |
| Yield Strength (typ.) | ≥ 550 MPa |
| Elongation | ≥ 25% |
| Wire Diameter (customizable) | 0.50 mm – 1.00 mm |
| Open Area | Approx. 40% – 55% (depending on wire diameter) |
| Standard Roll Width | 1 m, 1.2 m, 1.5 m (custom widths available) |
| Length per Roll | 30 m, 50 m, or as requested |
| Surface Finish | Mill finish, pickled, or bright annealed (optional) |
Advantages & Customer Benefits
- Extended Service Life: The duplex structure offers excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in chloride-rich environments such as seawater desalination or chemical processing. Compared to 304L, this screen can last 2-3 times longer under aggressive conditions.
- Higher Mechanical Strength: With a tensile strength of 750 MPa, the screen can endure higher vibration loads, impact forces, and pressure differentials without permanent deformation. This reduces downtime for screen replacement and maintenance.
- Consistent Particle Size Control: The 1.2mm aperture is manufactured with precision weaving equipment, ensuring each opening is uniform. This guarantees accurate classification and reduces the risk of oversize particles passing through.
- Easy Fabrication: Despite its high strength, duplex stainless steel can be welded, cut, and formed using standard techniques similar to 304L. This simplifies integration into existing screens, frames, or filter housings.
- Wide Application Range: Suitable for sieving sand, gravel, minerals, food granules, plastic pellets, and chemical powders. Also used in wastewater treatment, oil & gas filtration, and pulp & paper industry.
- Eco-Friendly & Recyclable: Stainless steel is 100% recyclable. Choosing a durable screen reduces waste and contributes to sustainable operations.
Why Choose Anping Boli?
Since 1998, our factory has specialized in the production of wire mesh and screen products. We have developed a mature manufacturing process that includes wire drawing, weaving, annealing, and inspection. Every batch of duplex stainless steel screen is tested for aperture size, tensile strength, and chemical composition to ensure compliance with the specified 750 MPa requirement. Our annual export volume of USD 5-10 million reflects the trust of clients from North America, Europe, Southeast Asia, Africa, and Oceania. We ship from multiple ports (Tianjin, Qingdao, Shanghai, Foshan) to expedite delivery.
We understand that industrial screening is a critical process; therefore, we offer free samples for quality evaluation, and our technical team can assist with choosing the optimal wire diameter and weave pattern for your specific application. Whether you need a standard roll or custom-cut panels, we provide flexible solutions with competitive pricing.
Contact us today to discuss your requirements. Let our 25+ years of experience help you improve your screening efficiency and product quality.
Frequently Asked Questions
-
What is duplex stainless steel, and how is it different from 304L?
Duplex stainless steel has a mixed microstructure of austenite and ferrite, giving it higher strength (typically 2x yield strength of 304L) and better resistance to chloride stress corrosion cracking. The 304L equivalent refers to comparable weldability and general corrosion resistance, but duplex offers superior mechanical properties. -
What does “1.2mm aperture” mean? Can I get other mesh sizes?
1.2mm aperture is the open space between wires. It is approximately 12 mesh (12 openings per inch). We can manufacture custom apertures from 0.05mm up to 10mm upon request. -
Is the tensile strength actually 750 MPa? How is it tested?
Yes, the minimum tensile strength is 750 MPa, tested according to ASTM A370 or equivalent standards. We provide a mill test certificate with each batch. -
Can this screen be used for high-temperature applications?
Duplex stainless steel maintains good strength up to about 300°C. For higher temperatures, consider alternative grades (e.g., 310S). Our screen is typically used in ambient to moderately hot environments. -
What are the typical lead times and minimum order quantities?
For standard rolls (1m x 30m), lead time is 7-15 working days. MOQ is 1 roll. Custom sizes may require a slightly higher MOQ – please inquire. -
How is the screen packaged to prevent damage during shipping?
We pack rolls in heavy-duty polypropylene woven bags, with plywood pallets for container loading. Panels are interleaved with foam and secured with steel straps. Export packaging is designed for sea freight. -
Do you provide samples? Are they free?
Yes, we offer free samples (A4 size) for quality evaluation. The customer only pays for shipping. Contact us with your details. -
Could I get a custom wire diameter? How does it affect the open area?
Absolutely. Changing wire diameter alters the open area percentage. For example, with 1.2mm aperture, a 0.5mm wire gives ~55% open area, while a 0.8mm wire gives ~40% open area. Our engineers can recommend the best balance for your flow and strength needs.
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