Steel Structure Paint Usage Calculation

- May 09, 2018 -

Steel structure paint usage calculation


The primary and secondary steel structures are all based on the requirements of anti-corrosion. The amount of paint is related to the thickness of the dry film, and also related to the construction method and the coating system (the rate of loss of the spray coating is lower than the manual brush). The data is the theoretical coating rate (for reference only), the actual amount multiplied by a factor of 1.5-1.8:

 

75 microns thick, approximately 8.5 square meters per liter;

125 μm thick, approximately 6.5 m 2 /liter;

200 microns thick, about 4 square meters per liter.

 

It is generally measured using volume units.

 

There is a theoretical coating rate in the paint specification, which is how much L paint is used to coat one square meter of 100um (or 50um and so on). For example, this number is X%

Then the amount of paint = x% * 25000 * paint thickness / 100

After this result you multiply by a loss factor, such as 1.3, which is generally related to the construction equipment.

The net weight of the weld on the steel structure is about 1.5 to 2% of the steel component. Then according to this to mention the welding rod, because it is the net weight, so that the electrode weight increases, plus the remaining electrode head, and the weight of the coating, the general need for the electrode weight is 1.8 to 2.2 times.


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