Why Is Galvanized Wire Mesh Important

Galvanizing can be done before or after wire fabrication, for both woven and welded wire mesh types. If the individual wires themselves are galvanized before the woven or welded wire mesh, this is called "galvanizing before woven or welded material". This is usually the least expensive option (depending on the mesh or opening size), especially when custom fabrication is required.

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"After galvanizing" woven or welded wire mesh, as the name implies, is done after fabrication. Typically, the mesh is made of carbon steel or plain steel and placed in a galvanizing bath to produce the "after galvanizing" woven or welded mesh specification. Typically, this option is the most costly of the two, depending on its availability, but the process offers the advantage of higher corrosion resistance. This reduced risk of corrosion is more likely to be seen at the joints of the "post-galvanized" welded wire mesh specification.

Galvanised Welded Mesh       

Wire Mesh After Galvanizing: Welded or Woven

Manufacturing post-galvanized wire mesh has advantages over manufacturing pre-galvanized wire mesh. The reason for this lies in the way it is manufactured. Post-galvanized wire mesh can be welded or woven. After welding or weaving is completed, the wire mesh is immersed in a molten zinc bath. The zinc bonds to the wire surface, completely sealing and preventing rust and corrosion.

Caution

When galvanizing prior to fabricating welded wire mesh, the zinc coating at the weld point can be damaged. It can be burned off, leaving the wire unprotected. And these intersecting areas tend to retain moisture longer than single strands of wire.

Woven wire mesh, especially in lighter gauges like chicken wire hexagonal mesh, also has its weaknesses. The twisted areas of the mesh tend to hold moisture, causing them to rust. Immersed in a zinc bath, these wire meshes will last a long time, even in corrosive environments.

 Galvanised Welded Mesh

The Importance of Releasing Coils of Galvanized Wire Mesh After Buying Galvanized After Wire (GAW) Mesh

Lasts a long time

Withstands rough use

Has an extra thick zinc coating

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Thoroughly protects joints from rust and corrosion

More useful in areas where galvanized wire mesh would have decayed before

When you want to use galvanized wire mesh in your project, be sure to consider the advantages that GAW products offer. Consider the cost and labor involved in replacing GBW mesh that rusts quickly. Invest in a quality product. 

  Galvanised Welded Mesh

Benefits of Galvanized Wire Mesh

One of the main advantages of galvanized wire mesh, especially the galvanized welded option, is the much larger range of wire diameters and opening sizes available. For example, most wire mesh suppliers tend to keep openings in 4 x 4, 2 x 2, 1 x 1, and ½ x ½ inches as well as a wide range of wire sizes.

Galvanized wire mesh is popular with industrial users because of its corrosion resistance and relative affordability. Galvanized wire mesh is usually recommended for areas of a project that require fairly large opening sizes. It is worth keeping in mind that galvanizing a relatively fine mesh may clog openings, which means it is useless for several types of applications. Because of this, a 10 x 10 or finer mesh is often manufactured as a form of wire mesh prior to galvanizing.

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Galvanized is not a metal or alloy; it is a process in which a protective zinc coating is applied to steel to prevent rusting. In the wire mesh industry, however, it is often treated as a separate category because of its wide spread use in all types of applications. Some of the more popular uses and applications of galvanized wire mesh are listed below:

• Fencing, caging & enclosures
• Farm, garden & agricultural use
• Window & safety guards
• Archeological use

• Building & construction projects
• Infill panels
• High security applications
• Landscaping & gabions

• Wall & stone retention
• Greenhouse use
• Particle separation
• General industrial use

Galvanizing can occur either before or after wire mesh is manufactured &#; both in woven form or welded form. Galvanized before woven wire mesh or galvanized before welded wire mesh indicates the individual wires, themselves, used to manufacture the mesh have been galvanized before the mesh is woven or welded. Depending on the mesh (or opening size) and diameter wire, this is usually the less expensive option, especially if custom manufacturing is required.

Galvanized after woven and galvanized after welded wire mesh is exactly as it sounds. The material is manufactured, normally in carbon or plain steel, and is often placed in a galvanizing tank, thereby producing a galvanized after woven or welded specification. Generally speaking, this option is more expensive, depending on availability and other variables, but does offer a higher level of corrosion resistance. This added level of corrosion resistance is most noticeable at the joint or intersection of galvanized after welded wire mesh specification.

One of the main benefits of a galvanized wire mesh, and particularly of a galvanized welded specification, is that it tends to offer a wide variety of opening sizes and diameter wires. For instance, mesh opening sizes, such as 4&#; x 4&#;, 2&#; x 2&#;, 1&#; x 1&#; and ½&#; x ½&#;, tend to be readily available from stock in a handful of popularly requested diameter wires.

Due to its attractive price point and its corrosion resistance, galvanized wire mesh is very popular among industrial users of wire mesh. Usually, galvanized wire mesh is specified in applications where relatively large opening sizes are needed. Keep in mind that galvanizing a relatively fine mesh, after it is woven, is likely to clog the openings rendering it unusable in numerous applications. It is for this reason that, usually, a 10 x 10 mesh and finer will be manufactured as a galvanized before woven item.

Darby also stocks and distributes a wide array of vinyl coated welded wire mesh specification. Please contact us for more information.

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