100% Original Q235 Material Black Iron Pipes - China Supplier Q235b Large Diameter Spiral Welded Steel Pipe – Youfa

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We always believe that one's character decides products' quality, the details decides products' quality ,with the REALISTIC,EFFICIENT AND INNOVATIVE team spirit for Erw Pipe Class A B C, 100*200mm Galvanized Rectangular Tube, Large Diameter Spiral Steel Pipe, Welcome your enquiry, best service will be provided with full heart.
100% Original Q235 Material Black Iron Pipes - China Supplier Q235b Large Diameter Spiral Welded Steel Pipe – Youfa Detail:

Our corporation puts emphasis about the administration, the introduction of talented staff, plus the construction of team building, attempting hard to improve the quality and liability consciousness of team members. Our organization successfully attained IS9001 Certification and European CE Certification of China Supplier Q235b Large Diameter Spiral Welded Steel Pipe, We've been expecting to cooperate along with you on the basis of mutual advantages and common advancement. We're going to never disappoint you.
Our corporation puts emphasis about the administration, the introduction of talented staff, plus the construction of team building, attempting hard to improve the quality and liability consciousness of team members. Our organization successfully attained IS9001 Certification and European CE Certification of Large Diameter Spiral Welded Steel Pipe, large diameter steel pipe, Spiral Welded Steel Pipe, "Good quality and reasonable price" are our business principles. If you are interested in our products and solutions or have any questions, make sure you feel free to contact us. We hope to establish cooperative relationships with you in the near future.

Product ASTM A53 Black Painted Welded Steel Pipe
Material Carbon Steel
Grade Q195 = S195 / A53 Grade A
Q235 = S235 / A53 Grade B / A500 Grade AQ345 = S355JR / A500 Grade B Grade C
Standard GB/T3091, GB/T13793API 5L/ASTM A53, A500, A36, ASTM A795
Specifications ASTM A53 A500 sch10 – sch80
Surface Painted Black
Ends Plain ends
Beveled ends



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.


Product detail pictures:

100% Original Q235 Material Black Iron Pipes - China Supplier Q235b Large Diameter Spiral Welded Steel Pipe – Youfa detail pictures

100% Original Q235 Material Black Iron Pipes - China Supplier Q235b Large Diameter Spiral Welded Steel Pipe – Youfa detail pictures

100% Original Q235 Material Black Iron Pipes - China Supplier Q235b Large Diameter Spiral Welded Steel Pipe – Youfa detail pictures


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"Control the quality by the details, show the strength by quality". Our company has strived to establish a highly efficient and stable staff team and explored an effective quality control process for 100% Original Q235 Material Black Iron Pipes - China Supplier Q235b Large Diameter Spiral Welded Steel Pipe – Youfa, The product will supply to all over the world, such as: South Africa, Morocco, Bangkok, If you need any of our products, or have other items to be produced, please send us your inquiries, samples or detailed drawings. Meanwhile, aiming to develop into an international enterprise group, we look forward to receiving offers for joint ventures and other cooperative projects.
  • This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!
    5 Stars By Bernice from Seychelles - 2016.06.19 13:51
    High production efficiency and good product quality, fast delivery and completed after-sale protection, a right choice, a best choice.
    5 Stars By Mignon from Karachi - 2015.12.05 13:53