Category: GI steel coil

Know about HengZe GI steel coil


By Alisajpq, 2019-05-29

HengZe GI steel coil with spangles in stock is a layer of zinc on the surface of the plate, the current market adopted a reduction of economic and significant effect of anti-corrosion method, and this is galvanized, so far, the world so developed zinc at least half is used in the GI steel coil process. This process can prevent the surface of steel from oxidation or liquid corrosion, extending the life of the plate, saving a lot of manual maintenance requirements.
At present, this material has been widely used in the construction industry, and cars, guardrails, anti-corrosion steel, and other aspects have also begun to gradually use. Traditional steel just through simple antirust processing on the market use, use fixed number of year and only a few years, the updated has replaced the traditional steel GI steel coil with spangles material, its superior performance after multiple testing and user experience obtained the certification of specific related information can be released by manufacturer data view.
In recent years, several kinds of related steel products have appeared, such as corrosion resistance, rapid prototyping, surface coating, and other related properties have been greatly improved, after the accumulation of technology, the manufacturing cost has been reduced, the appearance is much more beautiful.


The characteristics of galvanized steel coils are that they are used for a long time and are not easy to rust. In the process of production, it is necessary to remove the spots. This is also an important task. What is its de-spotting technology? The GI steel coil with spangles manufacturer will introduce it.

Spot removers If using mechanical or chemical way to remove the oxide scale occurred in the appearance of galvanized steel coil processing process, a large coil surface quality depends spot removers role. The annealing and spot removing equipment works alone, that is, the spotting method of spraying high-pressure water and iron sand, and the experiment indicates that it can be used in the cold rolling workshop to remove the outer surface of the steel coil. The principle is to use 10MPa high-pressure water, followed by the skill progress, and now the two have been organically linked together to become an annealing + despeckling unit.

In the case of acetic acid, austenitic hot sale galvanized steel coil containing molybdenum or molybdenum and copper should be used. The removal of pure acetic acid is weak, and usually no partial corrosion occurs. However, in the practice of production, storage and operation, due to the presence of impurities such as Cl- and formic acid, it can lead to accelerated corrosion, which is sensitive to pitting corrosion, and the corrosion of acetic acid temperature and concentration will increase the corrosion. Explain the application of the medium in practice when using the corrosion material data obtained from the laboratory.

Therefore, the de-spotting technology for galvanized steel coils is a step performed in each manufacturing process, and is also required in the maintenance process, so that its quality can be improved, and its service life can be extended as well.

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