The hardness standard of large roll galvanized wire is a very important performance index and a more economical test method. However, for the hardness of metal materials, there is no unified and clear definition including all test methods at home and abroad. Generally speaking, the hardness of a metal is often considered to be the resistance of a material to plastic deformation, scratches, wear or cutting.
In the adjustment of zinc dip distance of galvanized wire, keep the original speed unchanged, and estimate the zinc dip distance according to the time of zinc dip and the diameter of steel wire. By adjusting the zinc immersion distance, the zinc immersion time of various specifications of steel wire is shortened by 5s on average than before debugging, so that the zinc consumption is reduced, and the zinc consumption per ton of steel wire is reduced from the original 61kg to 59.4kg. The large roll galvanized wire is dipped in the heated melting zinc liquid, the production speed is fast, the coating is thick but not uniform, the market allows the thickness of 45 microns, up to 300 microns or more.
The color is dark, the consumption of zinc metal is more, the infiltration layer is formed with the base metal, the corrosion resistance is good, and the hot dip galvanizing can be maintained for decades in the outdoor environment. Hot-dip galvanizing is a process technology for the appearance treatment of fasteners in the production of fasteners. The common varieties of hot-dip galvanizing fasteners are: electric galvanizing, powder galvanizing, mechanical galvanizing and hot-dip galvanizing.
The characteristics of hot-dip galvanized fasteners: the galvanized layer is combined with the steel and becomes a part of the steel surface, so the durability of the coating is more reliable. Every part of the plating can be zinc plated, even in the depression, sharp corners and hidden places can be fully maintained. The cost of hot-dip galvanized rust prevention is lower than that of other paint coatings.
The galvanizing process is more convenient than other coating construction methods and prevents the time required for the installation to be painted on the site after installation. In the suburban environment, the standard hot-dip galvanized rust prevention thickness can be maintained for more than 50 years without repair. In urban or offshore areas, the standard hot-dip galvanized anti-rust layer can be maintained for 20 years without repair. The galvanized layer constitutes a special metallurgical structure that can accept mechanical damage during transportation and use.
Post time: 05-12-23