304 Stainless Steel Twill Weave Mesh
304 stainless steel twill woven wire mesh with tighter weave for finer filtration.
FOB reference price from $14.00 / 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 Twill Weave Mesh
Twill weave lets us use a heavier wire at a given mesh count, so buyers specify it where the screen must survive abrasion and hold stable apertures: polymer melt filtration and plastic extrusion screens, rotary and vibrating screening, aerospace test screening and fine powder separation.
- Fine filtration
- plastic extrusion screens
- aerospace screening
Metallurgical Composition & Alloy Ratio Analysis
304 Twill Weave Wire Purity & Heat Traceability
The warp and shute wires for this twill weave family are cold-drawn from spectrometer-tested 304 rod with the Cr 18-20% / Ni 8-10.5% balance shown below. Cold drawing raises the wire's yield strength so the heavier twill strands keep their interlacing locked under tension and vibration, and each shipment includes an EN 10204 3.1 mill certificate tied to the wire heat number.
- C: ≤0.08
- Cr: 18-20
- Ni: 8-10.5
- Fe: Balance
304 Twill Weave Physical & Service Limits
- Max Oxidation Temperature：The 304 wire resists scaling in continuous air service up to 870°C and in intermittent service up to 925°C, which covers polymer melt filtration and hot gas screening duties.
- Sensitization Warning：Holding 304 in the 425-860°C range precipitates chromium carbides at grain boundaries and can embrittle fine wires. For welded filter assemblies running in that band, ask about the low-carbon 304L version of this twill mesh.
- Yield Strength After Cold Drawing：The annealed minimum is 205 MPa, rising to about 310 MPa after the cold drawing used for weaving wire, which keeps the heavier twill strands and their apertures stable under load.
- Food Contact：304 meets FDA food-contact requirements, so this twill weave mesh can serve directly in food, dairy and pharmaceutical processing lines where abrasion resistance matters.
ASTM E2016-22 Reference Tolerances for 304 Twill Weave
This family's 20-325 mesh range spans the tolerance bands referenced by ASTM E2016-22 for industrial woven wire cloth. Twill interlacing generally holds apertures more stable under handling than equivalent plain weave, but confirm the applicable band in your purchase order and 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
- “Twill weave creates a wire cloth in which each shute and warp wire passes over and under the two adjacent wires successively.”Newark Wire Cloth, Guide to Different Types of Wire Mesh WeavesNewark Wire - structural definition of twill 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
Related Product Families
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