8 foot chain link fence

After the appearance of barbed wire black spots, you can choose the appearance of treatment to deal with this problem, such as galvanized, spray painting, dip plastic to deal with, after the appearance of welding mesh appearance smooth and bright, beautiful and generous.

Raw material of wire mesh sheet cold drawn low carbon steel wire base material can choose low carbon steel hot rolled disk bar or hot rolled smooth steel bar. The base material number and diameter of cold-drawn low carbon steel wire can be confirmed according to the rules in the table below. During the cold drawing process, the surface shrinkage rate of each drawing should not be greater than the wire mesh before cold drawing. Annealing shall not be carried out during wire drawing. If butt welding is required, the same production unit and base material of the same number should be selected. The appearance quality of wire mesh should not affect wire drawing. When the welding function is poor or brittle fracture occurs, special inspection should be carried out according to relevant standards.

1. Pickling treatment: the steel wire is soaked in an acidic solution to remove the oil stains and oxidation layers on the surface to ensure the adhesion of the zinc layer.

At present, it is recognized that the best surface treatment method for rust prevention is to make dacron rust. Generally, auto parts have been used this method for rust prevention. The salt water test generally lasts more than 96 hours. But if the hardware is used in very poor conditions, there are also people who use “asphalt” which is tar to do the surface treatment.