The Ultimate Guide to Choosing ASTM A 475 strand

Construction of guy wire

The guy wire can be divided into various divisions that help to describe the best guy wire. These are as discussed below. Other features of a good guy wire state that it should be lightweight, have good design, have a little stretch, should be durable and have high break strengths to withstand great tension.

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1. Material — the materials used to make the guy wires are important in assisting them to be durable by resisting different weather conditions. The materials should be pure and quality steel and should be coated by zinc.
2. Stranding — the wire strands should be covered in the wires known as 7-wire of 19-wire strands.
3. Tension and design — the guy wire should have a high tensile strength that helps it to prevent breaking and be resistant to all weather conditions that allow it to increase the service life of the guy wire.
4. Weight of the coating — the guy wires should be coated in zinc per ASTM A475 standard, and the weight is determined by the evaluation based the various test methods.
5. Finish — the zinc-coated wire is free of flaws that are not in consistent with industrial standards. The zinc coating is constant and of reasonably uniform thickness.

Applications of guy wire

The guy wires as previously stated can be used in power systems, telecommunications, broadcasting and ship masts. The various ways they are used are as discussed below.

1. Power systems — power systems use utility lines that run for long distances with many utility poles which need to cross many places. These connections cause a lot of tension between the different poles, guy wires are connected from the pole to the ground to support the unstable loads and make sure the structures are straight and prevent the ground from moving. A guy wire is used with guy set, which is insulated to avoid shock in case of contact with the human skin.
2. Telecommunications and broadcasting — the guy wires can be used to support the pole or antenna mast. They are similar to the ones used for the power systems.
3. Sailing — the guy wires can be used to support the masts of the ship for easier sail. The guy wires are made of stainless steel that helps it resists rust especially from frequent contact with water.

Functions of guy wire

The guy wires basically support the height of the poles or structures that are high standing to add stability and prevent falling, bending or breaking of the poles. This also offers safety by keeping the structures erect from the strong winds or storms that may affect the structures. The guy wires also help construction to use higher limits which may be lower due to the absence of the guy wires. They are used in a diagonal line from the post or tower to provide maximum stability and they are made from galvanized stainless steel that helps to reduce corrosion and rust while also preventing electrocution.

Guy wires are tensioned cables, ropes or wires that are used to steady, guide or secure all sorts of tall buildings and structures that are not self-sustaining. The use of the guy wires provide stability and prevent bending, breaking and even falling of the tall buildings. They can be used on the power systems, telecommunications and broadcasting. They were initially used in providing support to the ship masts to help in sailing. They are installed at an angle far from the post or tower in a diagonal line which helps to distribute the unbalanced load in the overhead lines.

The guy wire is also known as guy rope, guy strand, or stay wire. They are made from galvanized steel, or stainless steel which helps them to resist the harsh weather conditions such as rain, storm, winds and high temperatures. Insulated guy wires are made of a finish that helps them to prevent electrocution in case of contact with the human skin. Braided guy wires have high tensile strength that prevents them from breaking and other physical stresses. They are also used in electric systems, radio towers, wind turbines and in ships masts for sailing.

Fittings used with the guy wire

The guy wire is used with other various fittings to complete the proper installations and to provide stability to the antennas, towers and other utility structures. These fittings help to secure and brace all the overhead installations to prevent loose connections. These structures are as discussed below.

Installation requirements for guy wire

The installation of the guy wire is quite easy and requires little technical skills but they should be done by professionals. Other fittings to be used with the guy wire such as guy grip, guy clamp or guy thimble should be prepared before the installation. The first step is to connect the one side of the three or four guy wires to the top of the structure. They can be twisted on or attached to the mounting bolts. The other side of the guy wire is attached to the points on the ground. The cables should be tightened to prevent them from moving. The cables should also be mounted far from each other.

Quality tests on guy wire

Before the guy wires are released into the market, they have to undergo a series of tests and inspections in order to verify their security and ease of use during and after installation. These tests and inspections are as discussed below.

1. Lubrication inspection – the guy wire should be examined and lubricated with the specified equipment, both the essential and the outer boundary. This inspection is done during manufacture.
2. Tension inspection – before the delivery of the equipment, the manufacturer should perform the workload capability tests to check the current condition and strength of the cable.
3. Tension breaking strength – this should be done before the installation by the engineer. This ensures that the wires meet the terms with the tension breaking strength limits.
4. Rope periodical inspection – this inspection is done after installation and it checks the extreme broken wire, alteration, severe corrosion, decrease in the outer wire diameter and damaged or exiled clamp, thimble or anchor.

Stranding of guy wire

The guy wires are categorized according to the type of stranding that is used to make the wire or rope. The major stranding for the guying products are mainly two types which is 1*7 stranding and 1*19 stranding. These stranding have one major core for added stability.

1. 1*7 stranding – these are made of galvanized steel and it is used in guying applications such as towers, antenna and other tall structures that are placed from the top to the ground. They include the use of seven strands that are twisted together to make the rope. They should be installed or used in areas where rare bending will occur.
2. 1*19 stranding – these are also galvanized strands that are also used in guying the free, high- standing structures. The galvanized steel helps to prevent corrosion and rust. They use the twisting of the nineteen strands to make the guy wire with one central core. They have lower breaking strength than the seven strand wires. They are also used in supporting and adding stability to the antenna, towers and other tall structures. these

Advantages of guy wires

The main importance of the guy wire is supporting and adding stability to the high and free standing structures such as poles, towers and tall buildings. Other advantages and benefits of the guy wire are as follows.

• They are easy to prepare and install.
• They have a simple design which makes them easy to use.
• They have a flexible structure.
• They are durable to have a long life.
• They can be used in most applications.
• They have high strength that prevent them from breaking.
• They are lightweight which makes easy transportation and installation.

Disadvantages of the guy wires

Guy wires have more benefits that support their popularity in the market and the power industries. However, they have some limitations that affect their use in the industry. These are as follows.

• Since they are made from galvanized steel, they tend to have a lower flexibility.
• Some may have poor resistance to the bending deformation.

Guy wire manufacturers and suppliers in the USA

The other major factor to consider when purchasing the guy wire should be the manufacturer of the product. TTF manufactures and supplies guy wire to North American customers. There are many suppliers and manufacturers in the market that produce the different design and specifications of the guy wires. This should be done by checking online, from friends and through referrals to get to the best manufacturer and supplier of the guy ropes. The guy ropes should be designed to achieve the intended work for the products. The various manufacturers and suppliers of the guy wires are as discussed below.

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Brim Electronics Inc.

The company was established in the year and has been focused on producing high voltage guy wires. Their wires can be used in various applications that include high voltage power supplies or other high voltage electronic equipment where high voltage, ozone, abrasion and flame resistance and flexibility are required.

Main products include:

• Tinned copper wire
• Silicone rubber insulation
• High voltage guy wires

Ver Sales Inc

The company was established in the year as a manufacturer and distributor of the guy wires.

Main products include:

• Wire ropes
• Rigging products
• Safety products
• Hardware and tools
• Guy ropes

Consolidated Cordage Corporation

The company was established in the year with focus on the main products used on the aerospace and aeronautical, marine, fire protection and law enforcement application.

Main products include:

• Guy wires
• Mooring lines
• Utility cords

Lexco Cable Manufacturing

The company is mainly involved in manufacturing guy wires and crane cables. Their products are available in various lengths and wire rope diameters with plastic, nylon or PVC coating. The cables can be used in transportation, mining, construction, railroad, fitness, automotive and marine industries.

Main products include:

• Guy wires
• Fiber core
• Galvanized cables

MSC Industrial Supply Co.

This company was established in and have been the main supplier of products used in the cutting, machine, hand and power tools. They have supplied over 450,000 products from manufacturers around the world.

Main products include:

• Abrasives
• Fasteners
• Precision instruments
• Machinery
• Electrical supplies
• Safety equipment

Stainless Steel Products

The company was established in and have been the main manufacturer and distributor of wire and wire products. They offer custom specifications spooling, stranding, crimping and cut to length. Their products are made from stainless steel, nickel, nickel silver, copper alloy and brass.

Main products include:

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• Guy wires
• Round, flat and shaped wires