Reliable Supplier Chrome Moly Alloy Steel Pipe St52.4 - Square and Rectangular Steel Pipe – Youfa

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Our concentrate on should be to consolidate and enhance the quality and service of present products, meanwhile consistently produce new products to meet unique customers' demands for A105/A106 Gr.B Seamless Carbon Steel Pipe, Mild Spiral Pipe, Carbon Steel Seamless Pipe, We will keep working hard and as we try our best to supply the best quality products, most competitive price and excellent service to every customer. Your satisfaction, our glory!!!
Reliable Supplier Chrome Moly Alloy Steel Pipe St52.4 - Square and Rectangular Steel Pipe – Youfa Detail:

Product Square and Rectangular Steel Pipe
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, EN10219GB/T 6728JIS 3444 /3466

ASTM A53, A500, A36

Surface Bare/Natural BlackPaintedOiled with or without wrapped
Ends Plain ends
Specification OD: 20*20-500*500mm ; 20*40-300*500mmThickness: 1.0-30.0mmLength: 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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Reliable Supplier Chrome Moly Alloy Steel Pipe St52.4 - Square and Rectangular Steel Pipe – Youfa detail pictures


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We pursue the management tenet of "Quality is superior, Service is supreme, Reputation is first", and will sincerely create and share success with all clients for Reliable Supplier Chrome Moly Alloy Steel Pipe St52.4 - Square and Rectangular Steel Pipe – Youfa, The product will supply to all over the world, such as: Congo, Hanover, Hungary, We are eager to cooperate with foreign companies which care much on the real quality, stable supply, strong capability and good service. We can offer the most competitive price with high quality,because we are much MORE PROFESSIONAL. You are welcomed to visit our company at any time.
  • It is really lucky to meet such a good supplier, this is our most satisfied cooperation, I think we will work again!
    5 Stars By Lillian from Mauritius - 2015.11.22 12:28
    The factory can meet continuously developing economic and market needs, so that their products are widely recognized and trusted, and that's why we chose this company.
    5 Stars By Jenny from Madagascar - 2016.05.02 18:28