The galvanized wire of the galvanized wire manufacturer's production process shall be made of high quality low carbon steel wire rod. Galvanized wire is actually made of high-quality low-carbon steel, processed by drawing, pickling, rust, high temperature annealing, hot galvanizing, cooling and other processes. Galvanized wire is further divided into hot-dip galvanized wire and cold-galvanized wire (galvanized wire).
Galvanized wire manufacturers production process: pay-line - annealing - slow cooling - pickling - washing - assist plating - drying - galvanizing - grinding zinc layer - take-up.
During the drawing process, the galvanized wire annealed low carbon steel wire is continuously added. Therefore, it is necessary to anneal before galvanizing. The annealing temperature is about 800-830 ° C. Generally, the temperature of the steel wire pulled out by the Q195 steel wire is relatively low. The temperature of the low carbon steel wire pulled out by the Q235 steel wire is relatively high.
Zinc plating silk pickling is generally the choice of hydrochloric acid, the proportion of hydrochloric acid is 1:1, pickling without temperature constraints, room temperature can be. If the appearance of the steel wire is more serious, the concentration of hydrochloric acid can be slightly increased. If the appearance of the steel wire is relatively lubricated and lacking, the pickling time can be simplified.
When the galvanized wire is pickled, the ferrous ions will be continuously separated, and the content is also continuously added. When the iron salt reaches 150 g/L, the pickling speed will be greatly slowed down, and the time can be extracted 2/ 3, then participate in 2 / 3 of hydrochloric acid, the concentration of hydrochloric acid added from scratch is 1:1. Galvanized wire assisted plating is an important process before hot-dip galvanizing, which activates the appearance of steel.
The galvanizing process prevents the appearance of the steel wire from oxidizing, improves the quality of the galvanizing, and reduces the formation of dross and then lowers the production cost. Zinc-plated wire galvanizing hot-dip galvanizing is the key to the whole process. Through experiments, when the temperature is 440-460 °C, hot-dip galvanizing can reach the most satisfactory effect, and the low temperature can reduce the influence of silicon on the galvanized layer. , cut zinc will and the formation of dross. The temperature is too high, the occurrence of zinc slag and zinc ash will increase, and the life of the zinc furnace will also be shortened.
The production of galvanized wire is a complicated process. The above is all the contents introduced by the galvanized wire manufacturer. You can shop around when you buy. If you have any conditions, please come to visit us. We will provide you with the opportunity. Quality products and services!
