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Aluminum, magnesium, manganese plate characteristics comparing with the characteristics of color steel plate
2016-06-18 16:47:47

The characteristics of aluminum, magnesium, manganese
The characteristics of the color steel plate
The durability of
And atmospheric alumina film formation, prevent further corrosion.
Under the erosion of moist air and rain, snow corrosion rust easily, especially the joint parts.
The weight
Light weight (density of 2700 kg/m3)
Heavier in weight (density of 7850 kg/m3)
The strength and stiffness
Aluminum alloy with magnesium, manganese content and therefore has a certain strength and stiffness
The strength and stiffness is better
appearance
Can be divided into the painted (hammer, embossing, pre passivation alumina surface treatment, etc.) and paint (PVDF, SMP, PE, PVC film, etc.)
Painting class (PVDF, SMP, PE, PVC film, etc.)
Lightning protection performance
Thickness is 0.7 mm and 0.7 mm, can be directly as the lightning protection ShanQi (national standard < < building lightning protection design norm > > GB50057), avoid in roofing perforation.
Usually use 0.5 mm thick aluminium zinc and galvanized steel plate, cannot meet the ShanQi directly as lightning protection, additional building lightning protection by ShanQi (such as a lightning rod)
Fire safety
Low melting point (660 degrees c), there is a fire, the roof was burning through, make the fire spread outward, not inward lateral spreading, into fire hose from the top to help firefighters put out the fire.
Steel of the high melting point (1515 degrees c),
Performance to price ratio
higher
A lower

 


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