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Material Selection Of Pv Support.
Apr 24, 2018

  

  The selection of solar support materials and installation methods requires a more rigorous calculation.In addition, the weatherability is also one of the bases of choice for the quality of the installation site, climate, environment and other factors.A soft, such as the installation of the site can adopt the way of anchor is fixed, if the historical maximum wind speed or the amount of snow are within a certain range, you can choose appropriate can not only meet the requirements, lower cost and material.Calculation of the project, as described in chapter 2 above, requires calculation of wind load, snow load, etc.In addition, the factors such as maintenance and material recovery need to be considered.

        At present, solar mounting structure's  materials mainly of aluminum alloy (Al6005 - T5 surface anodic oxidation), stainless steel (304), galvanized steel (Q235 hot galvanizing), the highest with stainless steel material cost, good weather resistance, high recyclable value;

        Aluminum alloy structure generally used in civil building roof solar energy application, aluminum alloy has the characteristics of corrosion resistance, light quality, beautiful and durable, but its bearing capacity is low, cannot be applied in large-scale solar power station project.In addition, the price of aluminum alloy is slightly higher than that of hot-dip galvanized steel. 

      Stainless steel material cost, good weather resistance, high recyclable value;

Aluminum alloy structure generally used in civil building roof solar energy application, aluminum alloy has the characteristics of corrosion resistance, light quality, beautiful and durable, but its bearing capacity is low, cannot be applied in large-scale solar power station project.In addition, the price of aluminum alloy is slightly higher than that of hot-dip galvanized steel.

    By far the most commonly used for galvanized steel bracket, mainly adopts steel as main materials, the so-called steel is a kind of a certain section shape and size of strip steel, the main types of i-steel, channel steel, Angle steel, round steel, square steel, C steel, h-beam, etc.

    1) the Angle steel can be composed of various mechanical components according to the different structure, and also can be used as the connecting piece between components.It is widely used in various architectural structures and engineering structures, such as beams, Bridges, transmission towers, lifting transport machinery, ships, industrial furnaces, reactors, container racks and warehouse shelves.It is a simple section of steel, which is mainly used for metal components and the frame of the factory.It is required to have good weldability, plastic deformation performance and certain mechanical strength.The raw steel billet for producing Angle steel is the low carbon steel billet, the finished Angle steel is the hot rolling forming, normal fire or hot rolling state.


     2) h-shaped steel is an efficient section of the economic section with more optimized sectional area distribution and stronger weight ratio, because its section is named after the "H" of the English letter "H".Since the different parts of h-beam with orthogonal configuration, so h-beam in all directions has bending capacity, simple construction, cost saving and structure light weight etc, and has been widely used.

H section steel is divided into broad flange H section steel (HW), middle flange H shape steel (HM), narrow flange H section steel (HN), thin wall H section steel (HT), H shaped steel pile (HU), etc.


      3) c-shaped steel is formed by cold bending of hot coil plate, with thin self-weight, excellent section performance and high strength. Compared with traditional channel steel, the same strength can save 30% of material.  

      C section steel is widely used for the purline and wall beam of steel structure building, and can also be combined into lightweight roof truss, bracket and other building components.In addition, it can also be used in mechanical light manufacturing of columns, beams and arms.


     4) rectangular pipe is a hollow strip steel, a large number of used for conveying fluid pipe, such as oil, rectangle tube gas, water, gas, steam, etc., in addition, in the high bending and torsional strength phase at the same time, the weight is lighter, it is widely used in the manufacture of machinery parts and engineering structures.Also commonly used for production of various conventional weapons, guns, shells and so on.It is mainly used as the beam in the photovoltaic support system.


CY SOLAR is a manufacturer specializing in Aluminum and galvanized steel mounting structures.