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

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We usually keep on with the principle "Quality To start with, Prestige Supreme". We've been fully committed to offering our purchasers with competitively priced excellent solutions, prompt delivery and skilled support for Astm A105 Carbon Steel Pipe, Galvanized Erw Pipe, Jis G3444 Steel Pipe, With us your money in safe your business in safe . Hope we can be your trustworthy supplier in China . Looking forward for your cooperation .
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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Innovation, excellent and reliability are the core values of our firm. These principles today more than ever form the basis of our success as an internationally active mid-size corporation 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: Montpellier, Georgia, Thailand, With the effort to keep pace with world's trend, we'll always endeavor to meet customers' demands. If you want develop any other new items, we can customize them to suit your needs. If you feel interest in any of our products and solutions or want develop new merchandise, you should feel free to contact us. We are looking forward to forming successful business relationship with customers all over the world.
  • The factory technical staff gave us a lot of good advice in the cooperation process, this is very good, we are very grateful.
    5 Stars By Judy from Nigeria - 2016.06.22 12:49
    In China, we have many partners, this company is the most satisfying to us, reliable quality and good credit, it is worth appreciation.
    5 Stars By Hulda from Denver - 2015.11.11 19:52