FIne Mesh Metals

Woven Wire.
Unit B4, Halesfield 11,
Telford, Shropshire.  TF74PH.
Tel +44 (0)1902 898208      Fax +44 (0)1902 898179

Expanded Metals & Plastics, Perforated Metals & Plastics, Woven Wire, Welded Mesh, Security Equipment, Server Enclosures a speciality

Woven Wire often known as Wire Cloth or Wire Gauze can be woven with numerous materials including plain and galvanised steel, aluminium, nickel, brass, copper, phosphor bronze, and monel. Several patterns are available with plain weave being the most popular followed by twill, plain dutch weave, dutch twill weave, reverse dutch weave and multiplex weave. Crimped mesh is also available which is made from wire mechanically crimped or pressed prior to weaving.

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It is made by weaving wires of different diameters or a combination of diameters. This determines the aperture, the open area and the strength of the material. A thicker wire will produce a more robust weave, but the aperture and open area will be reduced giving a slower flow rate to the material passing through. If a thinner wire is used the opposite will apply. Mesh counts are generally quoted per inch for example in plain weave 20 mesh there are 20 strands of wire running in each direction per square inch. It can vary in texture from being as fine, soft and flexible as silk to being as rigid and durable as steel plate. Length and widths are given in metric or imperial.

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The weaving process uses no punching, piercing or stretching operations that can produce stress induced weaknesses. It can be formed shaped or moulded without risk of fracture. As a precision woven product the ability to maintain accuracy of aperture size offers enormous scope for its use as a filtration and screening medium for a variety of particle, fluid, gas, separation, cleaning and sizing applications. It provides the widest range of filtration, giving aperture sizes from over 10mm down to 23 micron nominal with a high open area/flow rate.

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It is manufactured in rolls 30M long and normally in widths of 36", 1m or 48". It is priced by the foot or square metre. A full and comprehensive finishing service for all of our materials including cutting, annealing, slitting, forming and welding. Cut pieces can be made to your specific requirements.

 

Its applications are numerous and include:-

 

Filtration Reinforcement Strengthening Ventilation screening
Radio Screening Insect Screening Microwave Screening Screen Printing
Speaker Grilles Plastics Extrusion Spark Protection Security Screens
Extruder Screen Sieves Strainers Fireguards
Fly Screens Heat & Light Diffusion Jewellery Hatching Baskets

 

PLAIN WEAVE

 

This is for the majority of applications. Each wire is passed over and under each adjacent wire in both directions.

The wire diameter and mesh count are usually the same in warp and weft. The mesh has a large free open area and high flow rate.

Plain Weave.JPG (43798 bytes)

TWILL WEAVE

 

This is frequently used in very fine meshes and it is less rigid than plain weave.

Each wire is passed alternately over two and then under the next two cross wires.

Twill Weave.JPG (41097 bytes)

 

See table below for available sizes.

PLAIN WEAVE

Mesh Count

Wire Diameter
Inch                    mm

Aperture Size
Inch

Micron
Rating

2 x 2

0.0787 2.000 0.4210 10700
3 x 3 0.0629 1.6000 0.2700 6870
4 x 4 0.0629 1.6000 0.1870 4750
5 x 5 0.0393 1.0000 0.1610 4080
6 x 6 0.0629 1.6000 0.1040 2630
8 x 8 0.0972 2.4700 0.0970 2470
10 x 10 0.0354 0.9000 0.0640 1640
12 x 12 0.0220 0.5600 0.0610 1560
14 x 14 0.0177 0.4500 0.0540 1360
16 X 16 0.0180 0.4570 0.0445 1131
18 X 18 0.0160 0.4060 0.0395 1103
20 X 20 0.0148 0.3759 0.0352 894
20 X 20 0.0180 0.4572 0.0320 813
24 X 24 0.0180 0.4572 0.0409 610
30 X 30 0.0110 0.2794 0.0223 566
36 X 36 0.0082 0.2082 0.0195 495
40 X 40 0.0075 0.1905 0.0175 445
40 X 40 0.0092 0.2336 0.0158 401
50 X 50 0.0084 0.2133 0.0116 295
60 X 60 0.0068 0.1727 0.0098 249
70 X 70 0.0060 0.1524 0.0082 208
80 X 80 0.0052 0.1320 0.0073 185
100 X 100 0.0040 0.1016 0.0060 152
100 X 100 0.0045 0.1143 0.0055 140
120 X 120 0.0036 0.0914 0.0047 119
140 X 140 0.0028 0.0711 0.0043 109
150 X 150 0.0026 0.0660 0.0040 102
160 X 160 0.0024 0.0609 0.0380 97
165 X 165 0.0019 0.0482 0.0041 104
180 X 180 0.0018 0.0457 0.0037 94
200 X 200 0.0016 0.0406 0.0034 86
200 X 200 0.0021 0.0533 0.0029 74
230 X 230 0.0014 0.0355 0.0029 74
250 X 250 0.0014 0.0355 0.0026 66
250 X 250 0.0016 0.0406 0.0024 61
270 X 270 0.0014 0.0355 0.0023 58
300 X 300 0.0012 0.0304 0.0021 63
325 X 325 0.0011 0.0279 0.0019 48
350 X 350 0.0012 0.0304 0.0016 41
400 X 400 0.0010 0.0254 0.0015 38

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