100% Original Factory Erw Astm A53 Sch40 Black Pipes - China Supplier Q235b Large Diameter Spiral Welded Steel Pipe – Youfa

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Using a full scientific good quality administration system, very good quality and superior faith, we win good standing and occupied this discipline for Carbon Steel Tube, Spiral Steel Pipe Carbon Steel, Hot Dip Galvanized Steel Coil, We always hold the philosophy of win-win, and build long-term cooperation relationship with customers from around the world.We believe that our growth base on customer's success, credit is our life.
100% Original Factory Erw Astm A53 Sch40 Black 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 Factory Erw Astm A53 Sch40 Black Pipes - China Supplier Q235b Large Diameter Spiral Welded Steel Pipe – Youfa detail pictures

100% Original Factory Erw Astm A53 Sch40 Black Pipes - China Supplier Q235b Large Diameter Spiral Welded Steel Pipe – Youfa detail pictures

100% Original Factory Erw Astm A53 Sch40 Black Pipes - China Supplier Q235b Large Diameter Spiral Welded Steel Pipe – Youfa detail pictures


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Our crew through skilled training. Skilled skilled knowledge, strong sense of company, to meet the company wants of customers for 100% Original Factory Erw Astm A53 Sch40 Black Pipes - China Supplier Q235b Large Diameter Spiral Welded Steel Pipe – Youfa, The product will supply to all over the world, such as: Detroit, Porto, Boston, Upon today, we have customers from all over the world, including USA, Russia, Spain, Italy, Singapore, Malaysia, Thailand, Poland, Iran and Iraq. The mission of our company is to provide the highest quality products with best price. We are looking forward to doing business with you.
  • The sales person is professional and responsible, warm and polite, we had a pleasant conversation and no language barriers on communication.
    5 Stars By Eartha from Morocco - 2015.11.28 16:25
    The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!
    5 Stars By Rita from Zimbabwe - 2016.05.21 12:31