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Therefore, the choice of steel grating specifications is very important. It is most economical to calculate what kind of board is most suitable according to the actual load. The 30 series steel gratings are the most common choices, because such spacing makes small things not fall through the pores. 40 series steel grating is the most economical choice.
There is also the first step in the selection of steel gratings according to the use of the environment to determine the surface treatment. Steel grating surface treatment can generally be divided into hot-dip galvanizing, cold galvanizing, painting or no treatment. The conditions for the use of steel gratings in petrochemical enterprises are mostly in the open air or in places where moisture, media, etc. are corroded. Therefore, most steel gratings are surface treated with hot-dip galvanizing. The advantage is that the zinc layer is resistant to corrosion and has a lifetime of at least 30 years. The pattern cover should be brushed with anti-corrosion paint, and should be re-brushed every year, which is still galvanized in comparison.
How to Reasonably Select Steel Grille Both Economical and Affordable
After a few years of work on steel gratings, you will find that the most suitable product is not necessarily the most expensive. In fact, as long as it is reasonable, safe, and reliable in the selection of steel grating specifications, the required cost can be reduced. To achieve cost savings. We have found that many times, the specification of steel gratings on the drawings of many engineering projects far exceeds the actual steel grating safety load required by the actual situation. For example, when some sewage treatment plants need to purchase some steel gratings, they need to be on the drawings. The specification of the steel grating is G505/30/100, the direction of the steel grating flat bar is 1m*2m, but the role is only to make the steel grating platform walkway, usually walk away. At this time, the bearing capacity of G505/30/100 is about 9 tons/square meter. This has resulted in a lot of wasted resources, and it has also made the price of steel gratings high.