Factory directly Black Phosphating Seamless High Precision Steel Tube - Solar Mounting Galvanized Square Steel Pipe – Youfa

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Our pursuit and company intention is usually to "Always fulfill our purchaser requirements". We go on to acquire and layout excellent high quality products for both our previous and new consumers and realize a win-win prospect for our customers too as us for 19mm Round Mild Steel Tube And Pipe, Mild Carbon Steel Square Pipe, Oil Steel Pipe, We glance forward to receiving your enquires shortly and hope to have the opportunity to function along with you inside the future. Welcome to acquire a glimpse at our organization.
Factory directly Black Phosphating Seamless High Precision 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


learn more about certificates

quality control

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.


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Factory directly Black Phosphating Seamless High Precision Steel Tube - Solar Mounting Galvanized Square Steel Pipe – Youfa detail pictures


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The corporation keeps to the operation concept "scientific management, superior quality and performance primacy, consumer supreme for Factory directly Black Phosphating Seamless High Precision Steel Tube - Solar Mounting Galvanized Square Steel Pipe – Youfa, The product will supply to all over the world, such as: French, Kuwait, Mauritius, By adhering to the principle of "human oriented, winning by quality", our company sincerely welcomes merchants from at home and abroad to visit us, talk business with us and jointly create a brilliant future.
  • Problems can be quickly and effectively resolved, it is worth to be trust and working together.
    5 Stars By Daisy from Madagascar - 2016.09.29 11:19
    Goods just received, we are very satisfied, a very good supplier, hope to make persistent efforts to do better.
    5 Stars By Eric from Amsterdam - 2015.05.13 17:00