High Quality for Solar Panel Mounting Rails - 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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"Sincerity, Innovation, Rigorousness, and Efficiency" is the persistent conception of our firm for the long-term to create jointly with consumers for mutual reciprocity and mutual reward for Buy Conduit , Steel Pipe Conduit , Flat Roof Ballasted Solar Racking , We are seeking for extensive cooperation with honest customers, achieving a new cause of glory with customers and strategic partners.
High Quality for Solar Panel Mounting Rails - 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

hf (2) hf (1)

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.

hg (4) hg (1)

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

gf (2) gf (1)


Product detail pictures:

High Quality for Solar Panel Mounting Rails - Solar Tracking System – Rainbow detail pictures

High Quality for Solar Panel Mounting Rails - Solar Tracking System – Rainbow detail pictures

High Quality for Solar Panel Mounting Rails - Solar Tracking System – Rainbow detail pictures

High Quality for Solar Panel Mounting Rails - Solar Tracking System – Rainbow detail pictures

High Quality for Solar Panel Mounting Rails - Solar Tracking System – Rainbow detail pictures

High Quality for Solar Panel Mounting Rails - Solar Tracking System – Rainbow detail pictures

High Quality for Solar Panel Mounting Rails - Solar Tracking System – Rainbow detail pictures

High Quality for Solar Panel Mounting Rails - Solar Tracking System – Rainbow detail pictures

High Quality for Solar Panel Mounting Rails - Solar Tracking System – Rainbow detail pictures

High Quality for Solar Panel Mounting Rails - Solar Tracking System – Rainbow detail pictures

High Quality for Solar Panel Mounting Rails - Solar Tracking System – Rainbow detail pictures

High Quality for Solar Panel Mounting Rails - Solar Tracking System – Rainbow detail pictures


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We not only will try our greatest to present fantastic expert services to each purchaser, but also are ready to receive any suggestion offered by our prospects for High Quality for Solar Panel Mounting Rails - Solar Tracking System – Rainbow , The product will supply to all over the world, such as: Sri Lanka, Belgium, Iran, With its rich manufacturing experience, high-quality products, and perfect after-sale service, the company has gained good reputation and has become one of the famous enterprise specialized in manufacturing series.We sincerely hope to establish business relation with you and pursue mutual benefit.
  • This is a honest and trustworthy company, technology and equipment are very advanced and the prodduct is very adequate, there is no worry in the suppliment.
    5 Stars By Martina from Honduras - 2017.06.16 18:23
    Wide range, good quality, reasonable prices and good service, advanced equipment, excellent talents and continuously strengthened technology forces,a nice business partner.
    5 Stars By Miguel from Libya - 2018.07.26 16:51
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