Factory Supply St44 Chinese Tube4 Seamless Carbon Steel Tube - ASTM A53 Black Painted Welded Steel Pipe – Youfa

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We insist on the principle of development of 'High quality, Efficiency, Sincerity and Down-to-earth working approach' to provide you with excellent service of processing for Galvanized Steel Pipe, Ms Round Erw Steel Pipe, Ssaw Welding Steel Pipe, We sincerely do our greatest to supply the very best support for every one of the purchasers and businessmen.
Factory Supply St44 Chinese Tube4 Seamless Carbon Steel Tube - ASTM A53 Black Painted Welded Steel Pipe – Youfa Detail:

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:

Factory Supply St44 Chinese Tube4 Seamless Carbon Steel Tube - ASTM A53 Black Painted Welded Steel Pipe – Youfa detail pictures

Factory Supply St44 Chinese Tube4 Seamless Carbon Steel Tube - ASTM A53 Black Painted 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 Factory Supply St44 Chinese Tube4 Seamless Carbon Steel Tube - ASTM A53 Black Painted Welded Steel Pipe – Youfa, The product will supply to all over the world, such as: Guyana, Estonia, Saudi Arabia, Since its foundation , the company keeps living up to the belief of "honest selling , best quality , people-orientation and benefits to customers. " We are doing everything to offer our customers with best services and best products . We promise that we'll be responsible all the way to the end once our services begin.
  • Sales manager is very enthusiastic and professional, gave us a great concessions and product quality is very good,thank you very much!
    5 Stars By Frederica from Bangkok - 2015.11.11 19:52
    In general, we are satisfied with all aspects, cheap, high-quality, fast delivery and good procuct style, we will have follow-up cooperation!
    5 Stars By Danny from Swiss - 2016.08.18 11:04