Specification summary of EN 10223-7 as applied to welded wire mesh panels: what the standard controls, the tolerance system it defines, the full specification range, and the equivalent ISO/ASTM/DIN documents.
EN 10223-7 — Scope
EN 10223-7 specifies the designation system, dimensions and tolerances of welded wire mesh panels — mesh count or nominal opening, wire diameter and the permissible aperture deviations. Alloy chemistry, mechanical testing and delivery condition are governed by separate documents in the same standards family.
Tolerance Classes
EN 10223-7 defines tolerance limits on the average aperture and on the maximum single aperture, tightening as the aperture gets finer. For test-sieve duty the tighter ISO 3310-1 tolerances apply instead of the general cloth tolerances — specify sieve grade explicitly if the mesh will be used for particle-size analysis.
Specifications Defined by EN 10223-7
| Opening (mm) | Wire diameter (mm) | Format | Standard size | Reference standard |
|---|---|---|---|---|
| 12.7x12.7 | 1.6 | Panel / roll | 1.0 x 2.0 m | EN 10223-7 |
| 25.4x25.4 | 2.0 | Panel / roll | 1.0 x 2.0 m | EN 10223-7 |
| 50.8x50.8 | 2.5 | Panel | 1.2 x 2.4 m | EN 10223-7 |
| 50x50 | 4.0 | Panel | 2.0 x 3.0 m | EN 10223-7 |
| 75x75 | 5.0 | Panel | 2.0 x 3.0 m | EN 10223-7 |
| 100x100 | 6.0 | Panel | 2.0 x 6.0 m | EN 10223-7 |
Equivalent Standards
EN 10223-7 covers welded steel wire mesh; ASTM A740 is the closest US counterpart.
When to Specify EN 10223-7
EN 10223-7 remains common in European engineering and on legacy drawings; for new international programs reference the ISO equivalent alongside it.