Steel product made in rod wire rolling mills with varying cross-sections. German standards refer to wire rod as a product that can be wound immediately into coils from the rolling mill whilst still hot. Coils of wire rod. Depending on the nature of the goods and any intended subsequent processing these coils are corrosion-sensitive and sensitive to mechanical damage, for example, kinks forming in the wire. The length of the winding axis is a critical factor in determining the way they are stowed.