18 Years Factory Solar Module Mounting - Solar Tracking System – Rainbow

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Different Solar trackers are deigned with different spindle steel tube, usually in square, circular, octagonal form. As an important part of trackers, the square, circular, octagonal spindle tube require high straightness and distortion. We strictly control the dimension accuracy and surface flat...


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Our mission will be to become an innovative supplier of high-tech digital and communication devices by furnishing benefit added structure, world-class manufacturing, and service capabilities for Rooftop Mounting Structure , Gi Steel Coil , Efw Erw , We are always looking forward to forming successful business relationships with new clients around the world.
18 Years Factory Solar Module Mounting - Solar Tracking System – Rainbow Detail:

Different Solar trackers are deigned with different spindle steel tube, usually in square, circular, octagonal form. As an important part of trackers, the square, circular, octagonal spindle tube require high straightness and distortion. We strictly control the dimension accuracy and surface flatness of hot rolled coils from the material link, and then cut and twist the coils twice after the production of steel tube is completed. Straightening to ensure that our products fully meet the requirements of the drawings.

Pipe material is usually Q355 or 355. According to customer’s requirement, hot dip galvanizing or pre-galvanizing can be selected.

Torque Square Tube

Material: Q235B/Q345B

Standard: GB/T6728, ATM A500 Gr.B

Surface: Hot Dip Galvanizing According to ASTM A123, BS4687, GB/T13912, Pre-galvanized according to ASTM A653M G90

Specification:80*80*3mm, 100*100*4mm, 110*110*4mm,150*150*5mm

Packing: bundle packing or steel pallet packing, suitable for long distance ocean transportation

Character: Our raw material for foundation piles is hot rolled coil from China first-class iron and steel company. Perfect quality management system which can track the heat number completely. Our average thickness of hot galvanized zinc layer reaches 80 microns, we provide customized packing and overall packing plan for customers, greatly improving the safety of good and unloading speed.

Characteristic tolerance
Concavo convex degree Less than 0.6% of the side length and a minimum of 0.4mm
Twist degree =2+ total length (mm)*0.5/1000
Right angle 90°± 0.5°
Straightness Less than 0.2% of the total length and less than 2mm per meter
Length tolerance L(total length)+2mm

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Torque Round Tubes

Item: Torque Round Tubes

Material: ASTM A572 GR50, GR60, ASTM A992

Standard: ASTM A513M, GB/T3091, GB/T13793

Surface: Hot Dip Galvanizing According to ASTM A123, BS4687, GB/T13912, Pre-galvanized according to ASTM A653M G90

Specification: 114*3.0, 127*3.0

Packing: bundle packing or steel pallet packing, suitable for long distance ocean transportation

Character: Our raw material for foundation piles is hot rolled coil from China first-class iron and steel company. Perfect quality management system which can track the heat number completely. Our average thickness of hot galvanized zinc layer reaches 80 microns, we provide customized packing and overall packing plan for customers, greatly improving the safety of good and unloading speed.

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hg (2) hg (3)

Octagonal Tube

*PRODUCT: OCTAGON STEEL PIPE/OCTAGON STEEL TUBE

*DIMENSION: Various sizes

*THICKNESS: 0.3mm – 8mm

*LENGTH: 1-12meters

*MATERIAL TYPE; Carbon steel

*SURFACE: Black/galvanized/power coating etc

*STEEL GRADE:Q195/Q235/Q345/SS400/SS201/SS304 etc

*APPLICATION:cupboard,furniture,car,industry,sport,equipment,machine,industry,structure etc

Standard ASTM, BS, ASTM A53-2007, BS 1387
Thickness 1.0 – 10.0 mm
Section Shape Hexagonal and Octagonal
Structure Pipe Technique Cold Rolled
Cold Drawing Material Q195/Q215/Q235/Q345
Surface Treatment Galvanized

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Product detail pictures:

18 Years Factory Solar Module Mounting - Solar Tracking System – Rainbow detail pictures

18 Years Factory Solar Module Mounting - Solar Tracking System – Rainbow detail pictures

18 Years Factory Solar Module Mounting - Solar Tracking System – Rainbow detail pictures

18 Years Factory Solar Module Mounting - Solar Tracking System – Rainbow detail pictures

18 Years Factory Solar Module Mounting - Solar Tracking System – Rainbow detail pictures

18 Years Factory Solar Module Mounting - Solar Tracking System – Rainbow detail pictures

18 Years Factory Solar Module Mounting - Solar Tracking System – Rainbow detail pictures

18 Years Factory Solar Module Mounting - Solar Tracking System – Rainbow detail pictures

18 Years Factory Solar Module Mounting - Solar Tracking System – Rainbow detail pictures

18 Years Factory Solar Module Mounting - Solar Tracking System – Rainbow detail pictures

18 Years Factory Solar Module Mounting - Solar Tracking System – Rainbow detail pictures

18 Years Factory Solar Module Mounting - Solar Tracking System – Rainbow detail pictures


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continue to improve, to ensure product quality in line with market and customer standard requirements. Our company has a quality assurance system have been established for 18 Years Factory Solar Module Mounting - Solar Tracking System – Rainbow , The product will supply to all over the world, such as: US, Canada, Vietnam, With the goal of "zero defect". To care for the environment, and social returns, care employee social responsibility as own duty. We welcome friends from all over the world to visit and guide us so that we can achieve the win-win goal together.
  • It can be said that this is a best producer we encountered in China in this industry, we feel lucky to work with so excellent manufacturer.
    5 Stars By Jean Ascher from Wellington - 2018.06.18 19:26
    The customer service staff's attitude is very sincere and the reply is timely and very detailed, this is very helpful for our deal,thank you.
    5 Stars By Sally from Leicester - 2018.09.21 11:01
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