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

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Our enterprise since its inception, constantly regards product good quality as organization life, constantly improve production technology, strengthen merchandise high quality and continuously strengthen enterprise total good quality administration, in strict accordance with all the national standard ISO 9001:2000 for Hot Dip Galvanized Steel Coil, Square Steel Tube, A106 Gr.B Seamless Carbon Steel Pipe, To learn more about what we can do for you, contact us at any time. We look forward to establishing good and long-term business relationships with you.
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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"Control the standard by the details, show the toughness by quality". Our firm has strived to establish a highly efficient and stable workers workforce and explored an effective high-quality management system 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: Romania, Azerbaijan, Montpellier, During in 11 years, We've participated in more than 20 exhibitions, obtains the highest praise from each customer. Our company has been devoting that "customer first" and committed to helping customers expand their business, so that they become the Big Boss !
  • High production efficiency and good product quality, fast delivery and completed after-sale protection, a right choice, a best choice.
    5 Stars By Coral from Madagascar - 2016.10.13 10:47
    We have been looking for a professional and responsible supplier, and now we find it.
    5 Stars By Henry from belarus - 2016.03.07 13:42