Have you ever wondered how baling wire is made? This is often a question asked by those that use this wire for their business, mainly due to the seemingly inexplicable strength and robust nature of the product.
Well, if you buy baling wire on a regular basis, you’ll be aware there are various types of baling wire on the market. These are then crafted with a wide range of materials. As a result, the process behind the creation of bale wire can differ depending on which materials are used.
First of all, note that all wires are derived from metal of some variety. This metal is then drawn or stretched to the intended diameter through a hole, usually via a draw or die plate. For baling wire, the metal used is typically either steel or iron.
While the process of making the base model for baling wire is relatively simple, it becomes a little more complicated when looking at modified versions – aka galvanized wire and annealed wire.
How is galvanized baling wire made?
Before getting into the process of making galvanized baling wire, let’s first detail what it brings to the table. In simple terms, it supplies the regular baling wire with an additional layer of protection. This layer is typically a protective material – zinc being the most popular – so the wire is resistant to two large potential issues: rust and corrosion. Along with being protected against those, galvanizing also enhances the overall strength of the wire.
Due to its robust nature, galvanized wire can fulfill several roles. It is most likely utilized in the recycling, waste management, and packaging industries.
So how is it made? Firstly the steel or iron baling wire is submerged into a hot zinc-based bath – this can either be zinc or zinc oxide. It needs to be hot so the zinc can bond to the other metal. Zinc is often the metal of choice for galvanized wire due to its ability to prevent moisture and oxygen from causing corrosion. Zinc also has the added benefit of being scratch-resistant, which further improves the lifespan of galvanized baling wire.
How is annealed baling wire made?
Annealed baling wire is highly popular due to being the perfect combo of two important attributes: flexibility and durability. Its flexible nature makes it easy to work with, which helps to save time and effort. The strength of the wire also means it isn’t lacking when it needs to go up against severe pressure and environmental conditions.
Annealed wire is produced in different ways. The general process, however, is always the same. This is where the wire is heated up so it reaches a high temperature. Once it reaches the desired temperature, it is slowly cooled down. This alters the microstructure of the wire for the better.
The underlying material is generally steel, and this is normally galvanized for that extra boost of resilience. Black annealed wires also tend to include a light coating of oil. This oil helps the wire to pass through a baling machine with ease.