Factory directly Bright Annealing Steel Tube - Solar Mounting Galvanized Square Steel Pipe – Youfa Detail:
| Product | Galvanized Square and Rectangular Steel Pipe with Holes |
| Material | Carbon Steel |
| Grade | Q195 = S195 / A53 Grade A Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2 Q345 = S355JR / A500 Grade B Grade C |
| Standard | DIN 2440, ISO 65, EN10219
GB/T 6728 JIS 3444 /3466 ASTM A53, A500, A36 |
| Surface | Zinc coating 200-500g/m2 (30-70um) |
| Ends | Plain ends |
| Specification | OD: 20*20-500*500mm ; 20*40-300*500mm Thickness: 1.0-30.0mm Length: 2-12m |



Strict Quality Control:
1) During and after production, 4 QC staffs with more than 5 years experience inspect products in random.
2) National accredited laboratory with CNAS certificates
3) Acceptable inspection from third party appointed/paid by buyer, such as SGS, BV.
4) Approved by Malaysia, Indonesia, Singapore, Philippines, Australia, Peru and UK. We own UL /FM, ISO9001/18001, FPC certificates
Packing and Delivery:
Packing Details : in hexagonal seaworthy bundles packed by steel strips, With two nylon slings for each bundles.
Delivery Details : Depending on the QTY, normally one month.
Product detail pictures:

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We keep improving and perfecting our products and service. At the same time, we work actively to do research and development for Factory directly Bright Annealing Steel Tube - Solar Mounting Galvanized Square Steel Pipe – Youfa, The product will supply to all over the world, such as: Slovakia, Surabaya, Stuttgart, We have been persisting in the business essence "Quality First, Honoring Contracts and Standing by Reputations, providing customers with satisfying goods and service. " Friends both at home and abroad are warmly welcome to establish everlasting business relations with us.
This manufacturer can keep improving and perfecting products and service, it is in line with the rules of market competition, a competitive company.





