When choosing welded wire fencing, it is important to consider the gauge of the wire. The gauge refers to the thickness of the wire, with lower gauge numbers indicating thicker wire. For most applications, a gauge of 14 or 16 is sufficient, providing a good balance of strength and flexibility. However, for applications requiring extra durability, a lower gauge wire, such as 12 or 10, may be preferred.

Black annealed iron wire is also widely utilized in the manufacturing of various products. It is employed in the production of wire mesh, which can be used for everything from screens to concrete reinforcing. The art and craft industries also benefit from this wire, as artisans use it for creating intricate designs and sculptures due to its malleability.

Historically, welding cast iron has posed significant difficulties due to its brittle nature and susceptibility to cracking. Traditional welding methods such as stick welding or oxy-acetylene welding require meticulous preheating and post-weld cooling procedures to mitigate the risk of thermal stress and distortion.