Stainless Steel Reverse Dutch Weave Mesh
Reverse Dutch weave mesh with warp wires thicker than weft for high flow rate filtration.
FOB reference price from $32.00 / m². Varies by spec and quantity; final quote on inquiry.
Mesh Count
20–325
Wire Diameter
0.035–0.4 mm
Aperture
0.043–0.87 mm
Open Area
30.1–46.9%
Material
304 Stainless Steel
Standard Specs
6
Sample
Available
Official Standard Tolerance SKU Matrix
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| Nominal Mesh Count | Std. Wire Dia. (mm)Std. Wire Dia. (inch / Gauge) | Aperture Size (mm)Aperture Size (inch) | Ref. Open Area | Est. Weight (kg/m²)Est. Weight (lb/ft²) | Micro Link | |
|---|---|---|---|---|---|---|
| 20 Mesh | 0.400 mm0.01570" | 0.870 mm0.03430" | 46.9% | 1.60 kg/m²0.3300 lb/sq.ft | ||
| 40 Mesh | 0.250 mm0.00980" | 0.385 mm0.01520" | 36.8% | 1.25 kg/m²0.2600 lb/sq.ft | ||
| 80 Mesh | 0.120 mm0.00470" | 0.198 mm0.00780" | 38.8% | 0.58 kg/m²0.1200 lb/sq.ft | ||
| 120 Mesh | 0.080 mm0.00310" | 0.132 mm0.00520" | 38.8% | 0.38 kg/m²0.0800 lb/sq.ft | ||
| 200 Mesh | 0.050 mm0.00200" | 0.077 mm0.00300" | 36.8% | 0.25 kg/m²0.0500 lb/sq.ft | ||
| 325 Mesh | 0.035 mm0.00140" | 0.043 mm0.00170" | 30.1% | 0.20 kg/m²0.0400 lb/sq.ft |
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100X Simulated Microscope Lens View (Auxiliary Physical Design)
Typical Applications of 304 Reverse Dutch Weave Mesh
Reverse Dutch weave inverts the plain Dutch construction: fine warp wires pack densely over coarser shute wires, so the cloth presents a smooth face to the process fluid. Particles rest on that face instead of lodging inside wedge-shaped pores, which is why this family cleans up under back-flush and keeps a high flow rate between cleanings. Buyers specify it most often for back-flushable water and oil filter screens, centrifuge screens and polymer melt filtration.
- High flow rate filtration
- hydraulic systems
- aviation fuel
Metallurgical Composition & Alloy Ratio Analysis
304 Reverse Dutch Weave Wire Purity & Heat Traceability
Every 304 wire batch for this product family is spectrometer-tested before weaving. The Cr 18-20% / Ni 8-10.5% balance below is what gives this mesh its corrosion resistance in water, oils and most process media, and each shipment includes an EN 10204 3.1 mill certificate tied to the wire heat number.
All batches are tested via handheld PM-I spectrometer before Tianjin Port export, guaranteeing material compliance.
304 Reverse Dutch Weave Physical & Service Limits
- Max Oxidation Temperature：Resists scaling in continuous air service up to 870°C; intermittent service limit is 925°C.
- Sensitization Warning：Holding 304 in the 425-860°C range precipitates chromium carbides at grain boundaries. For welded filter assemblies, ask us about the low-carbon 304L version of this mesh.
- Yield Strength After Cold Drawing：205 MPa minimum in annealed condition, rising to 310 MPa after the cold-drawing used for weaving wire, which keeps the fine warp wires straight and the smooth face stable under back-flush pressure.
- Food Contact：Complies with FDA food-contact requirements, suitable for direct use in food, dairy and pharmaceutical processing lines.
ASTM E2016-22 Reference Tolerances for 304 Reverse Dutch Weave
Reverse Dutch weave cloth is specified by warp and shute wire diameters as well as mesh count, so confirm which tolerance band in ASTM E2016-22 applies to your specification before ordering. This family's 20-325 mesh range spans the intermediate and fine bands; request actual measured values in the pre-shipment report.
| Nominal Mesh Range | Max Wire Dia. Tolerance | Max Aperture Size Tolerance | Warp Tilt Deviation |
|---|---|---|---|
| 1 to 50 Mesh | ± 0.013 mm (0.0005 inch) | ± 3% of nominal aperture | Tilt deviation ≤ 2° |
| 51 to 200 Mesh | ± 0.008 mm (0.0003 inch) | ± 5% of nominal aperture | Tilt deviation ≤ 1.5° |
| 201 to 400 Mesh | ± 0.004 mm (0.00015 inch) | ± 8% of nominal aperture | Tilt deviation ≤ 1° |
Where Do These Specifications Come From?
- “This specification covers industrial woven wire fabric, referred to as wire cloth, for general use including the separation of particles.”ASTM E2016-22, Scope 1.1ASTM International - mesh count, wire diameter and aperture tolerance basis for this product family
- “This International Standard defines terms regarding industrial woven wire cloth for screening purposes and specifies maximum permissible error, requirements, and test methods.”ISO 9044:2016, ScopeInternational Organization for Standardization - terminology, permissible deviation and test basis for woven wire cloth
- “Reverse Dutch weave wire mesh uses two sizes of wire diameter, finer wire in one direction and coarser wire in the other direction. In reverse Dutch weave, the coarser wire is in the weft direction and the finer wire is in the warp direction.”Lawrence Sintered Metals, Understanding Dutch Weave: What It Is and Where It's UsedLawrence Sintered Metals - structural definition of reverse Dutch weave interlacing used in this page's weave comparison
Custom Processing for Woven Mesh · Quality Assurance for Woven Mesh · Packaging & Logistics
Custom Processing for Woven Mesh
Deep-processing services available on woven mesh rolls before shipment.
Precision Slitting
Woven rolls slit down to 5.0 mm width on high-precision slitting lines, with clean, burr-controlled edges ready for filter element production.
Disc Stamping & Spot Welding
Single or multi-layer woven mesh filter discs stamped and spot-welded per your CAD drawings, including rimmed and bound-edge versions.
Cutting & Edging
Custom sheet cutting, edge folding and framing so the mesh drops directly into your production line without secondary trimming.
Quality Assurance for Woven Mesh
Every exported batch of woven mesh is verified against documented inspection standards.
EN 10204 3.1 MTC
Mill test certificates covering heat number, wire composition and tensile data shipped with every order.
Spectrometer Verification
Handheld PMI spectrometer sampling on wire batches confirms alloy grade before weaving, eliminating mixed-grade risk.
Pre-shipment Inspection
Mesh count, wire diameter and aperture are re-measured batch by batch against ASTM E2016-15 tolerances before container loading.
Packaging & Logistics
Export-standard packing engineered for woven mesh rolls on long-distance sea freight.
Standard Rolls
30 m or 100 ft roll lengths in standard widths from 0.5 m to 1.5 m; custom width and roll length available on request.
Moisture-proof Packing
Waterproof kraft paper inner wrap plus woven bag or palletized outer packing to prevent rust and edge deformation in transit.
Container Loading
Optimized 20GP / 40HQ loading plans with photos and loading reports shared before vessel departure.
Trade Terms
FOB Tianjin or CIF major ports; DHL, FedEx and SF Express available for sample shipments worldwide.
Technical Purchasing FAQ
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