Best quality Welded High Frequency Erw Steel Pipe - Solar Mounting Galvanized Square Steel Pipe – Youfa

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While using the "Client-Oriented" organization philosophy, a rigorous top quality command process, highly developed production devices and a potent R&D workforce, we normally provide high quality products, outstanding solutions and aggressive charges for Seamless Square Steel Pipes, Carbon Pipe Guard, Erw Steel Pipe Tube, We look forward to supplying you with our products in the near future, and you will find our quotation is very reasonable and the quality of our products is very excellent!
Best quality Welded High Frequency Erw Steel Pipe - 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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Best quality Welded High Frequency Erw Steel Pipe - Solar Mounting Galvanized Square Steel Pipe – Youfa detail pictures


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"Quality to start with, Honesty as base, Sincere company and mutual profit" is our idea, as a way to build constantly and pursue the excellence for Best quality Welded High Frequency Erw Steel Pipe - Solar Mounting Galvanized Square Steel Pipe – Youfa, The product will supply to all over the world, such as: Palestine, Norwegian, Latvia, We taking advantage of experience workmanship, scientific administration and advanced equipment, ensure the product quality of production, we not only win the customers' faith, but also build up our brand. Today, our team is committed to innovation, and enlightenment and fusion with constant practice and outstanding wisdom and philosophy, we cater to the market demand for high-end products, to do professional products.
  • The supplier cooperation attitude is very good, encountered various problems, always willing to cooperate with us, to us as the real God.
    5 Stars By April from Georgia - 2016.02.14 13:19
    On this website, product categories is clear and rich, I can find the product I want very quickly and easily, this is really very good!
    5 Stars By Barbara from Slovenia - 2015.09.08 17:09