The eight fields that make a mesh specification checkable
| Field | What it answers | Common ambiguity |
|---|---|---|
| 1. Construction | Woven, welded, expanded, perforated or another product family? | “Wire mesh” used as if all constructions were interchangeable |
| 2. Opening / pitch | What is the clear gap or centre spacing, in which direction? | Opening confused with centre-to-centre pitch |
| 3. Wire diameter | What is the actual wire thickness? | Gauge stated without its gauge system, or coating included silently |
| 4. Material | Which alloy or base-wire grade is required? | “Stainless” or “galvanized” without grade/process detail |
| 5. Weave / weld pattern | How are wires interlaced or joined? | Plain, twill and Dutch weave treated as equivalent |
| 6. Form and dimensions | Roll, sheet, panel or cut part; width × length; orientation? | Nominal size without dimensional tolerance |
| 7. Edge and finish | Selvedge, trimmed edge, coating or post-process? | Finish timing and final dimensions not stated |
| 8. Acceptance basis | Which tolerance, test method and documents decide conformity? | A standard number listed without edition or requested evidence |
Read one specification end to end
Woven square wire cloth · 80 mesh × 0.12 mm wire304 stainless · plain weave · nominal opening 0.1975 mm1,000 mm × 30 m roll · trimmed edge · quantity 4 rollsTolerance / inspection / certificate: to be agreed in the orderThe first line identifies construction and geometry. The second identifies material and weave. The third fixes the supplied form and quantity. The last line prevents a calculated nominal value from being mistaken for an acceptance tolerance.
Build a supplier-ready specification brief
Complete the fields, then choose “Build brief”.
Standards are scope boundaries, not decoration
ISO 9044:2016
Applies to square-aperture industrial woven wire cloth for screening. It defines terms and covers permissible error, requirements and test methods. It excludes welded screens, pre-crimped screens and cloth coated after weaving.
ASTM E2016
Covers industrial woven wire cloth for general use, including particle separation. Its main scope excludes welded wire cloth, Dutch/filter cloth, test sieve cloth and several other special types.
ISO 4783-2 gives preferred aperture-and-wire combinations and a designation sequence: aperture width, wire diameter, wire material and weave type. Use the exact standard edition required by the project; do not assume that naming a standard resolves every commercial field.
Fast quote-comparison test
- Normalize every dimension to one unit system.
- Compare clear opening separately from centre spacing.
- Resolve gauge to an actual wire diameter and name the gauge system if it must remain.
- Confirm whether coating changes the stated wire diameter or opening.
- Separate product conformity documents from company-level marketing certificates.
- Compare the same delivery basis, packaging and quantity.
Verify the geometry
Once the mesh count and wire diameter are known, check pitch, nominal opening and open area in the dedicated converter.
Primary references
- ISO 9044:2016 — scope, terms, tolerances and testing for square-aperture industrial woven wire cloth.
- ISO 4783-2:1989 — preferred aperture/wire combinations and designation sequence.
- ASTM E2016 — industrial woven wire cloth scope and technical requirements.