Though lead annealing is costlier than oil fired furnace, the softening of wire is better due to uniform penetration of heat throughout the cross section of wire.
In oil fired furnace, scaling in wires are formed which are avoided by lead annealing.
In oil fired furnace, there is the possibility of oil spot formation which again is avoided in lead annealing.
Our products are better rust-resistant because we use world class lubricants.