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

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We continue to keep increasing and perfecting our solutions and service. At the same time, we operate actively to do research and enhancement for Corrugated Galvanized Steel Culvert Pipe, Carbon Spiral Welded Pipes, 4 Inch Galvanized Steel Pipe, If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us.
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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We depend on sturdy technical force and continually create sophisticated technologies to meet the demand of 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: Belgium, French, Puerto Rico, With top quality products, great after-sales service and warranty policy, we win trust from many overseas partner, many good feedbacks witnessed our factory's growth. With full confidence and strength, welcome customers to contact and visit us for future relationship.
  • The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
    5 Stars By Penelope from Latvia - 2016.09.16 13:44
    Staff is skilled, well-equipped, process is specification, products meet the requirements and delivery is guaranteed, a best partner!
    5 Stars By Doris from Florida - 2015.09.19 18:37