Painted H-shaped steel refers to the spraying treatment on the surface of H-shaped steel, commonly used in fields such as architecture, bridges, roads, machinery manufacturing, etc. Painting can improve the corrosion resistance, aesthetics, and service life of H-beams. Common spray painting methods include spray painting machines, manual spraying, etc. Painted H-shaped steel can also be coated according to different environmental requirements, such as fireproof coatings, anti-corrosion coatings, etc.
Paint is not only for high-frequency welding of H-steel to increase its aesthetic level, it can also play a role in improving performance. there are some details to notice here:
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preparation
slag cleaning, ensure that the stains and rust on the surface of high-frequency welded H steel are cleaned up.
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operate in a suitable environment
the general coating product will mark the suitable temperature in the instructions. According to this temperature, the temperature can be controlled at 4-38 degrees centigrade for some products which are not explained; the temperature of the steel surface should be about 30 degrees centigrade above the ambient temperature.
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spray gun
the spray gun is an important tool for spray painting. it is important to its pressure. The appropriate pressure can ensure that the amount and concentration of the paint are very standard, so that the spray paint is both practical and beautiful.
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spray amount of paint
the needle valves in the suction and gravity spray guns can be controlled in a small scale, but the effect is very limited; the pressure type spray gun can control the amount of ejection by adjusting the pressure of the coating booster box, and it is more free to use.
Painted H steel can be widely used in many fields, such as multi-storey building, multi-storey parking garage, large span light factory, warehouse, new office building, prefabricated house, civil house, equipment installation and so on.
Mr.Andy
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