OEM Customized Astm A53 Grade B Seamless Pipes - OEM Factory for Black Erw Shs And Rhs Construction Pipe 100*70* 3mm Thick Square Steel Tubing / Rectangular Steel Pipe Q235 Q345 Grade – Youfa

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We constantly continually give you essentially the most conscientious client provider, plus the widest variety of designs and styles with finest materials. These initiatives include the availability of customized designs with speed and dispatch for Hot Dipped Galvanized Rigid Steel Conduit Pipe, Erw Square Pipe, Gas Industry Steel Pipe, If you are interested in any of our products and services, please don't hesitate to contact us. We are ready to reply you within 24 hours after receipt of your request and to create mutual un-limited benefits and business in near future.
OEM Customized Astm A53 Grade B Seamless Pipes - OEM Factory for Black Erw Shs And Rhs Construction Pipe 100*70* 3mm Thick Square Steel Tubing / Rectangular Steel Pipe Q235 Q345 Grade – Youfa Detail:

Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as theory of "quality the basic, have faith in the initial and administration the advanced" for OEM Factory for Black Erw Shs And Rhs Construction Pipe 100*70* 3mm Thick Square Steel Tubing / Rectangular Steel Pipe Q235 Q345 Grade, To acquire a consistent, profitable, and constant growth by getting a competitive advantage, and by continuously increasing the value added to our shareholders and our employee.
Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as theory of "quality the basic, have faith in the initial and administration the advanced" for Erw Steel Tube, Low Carbon Steel Pipe, Welded Thin Wall Steel Pipe, Our product quality is one of the major concerns and has been produced to meet the customer's standards. "Customer services and relationship" is another important area which we understand good communication and relationships with our customers is the most significant power to run it as a long term business.

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:

OEM Customized Astm A53 Grade B Seamless Pipes - OEM Factory for Black Erw Shs And Rhs Construction Pipe 100*70* 3mm Thick Square Steel Tubing / Rectangular Steel Pipe Q235 Q345 Grade – Youfa detail pictures

OEM Customized Astm A53 Grade B Seamless Pipes - OEM Factory for Black Erw Shs And Rhs Construction Pipe 100*70* 3mm Thick Square Steel Tubing / Rectangular Steel Pipe Q235 Q345 Grade – Youfa detail pictures

OEM Customized Astm A53 Grade B Seamless Pipes - OEM Factory for Black Erw Shs And Rhs Construction Pipe 100*70* 3mm Thick Square Steel Tubing / Rectangular Steel Pipe Q235 Q345 Grade – Youfa detail pictures


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We depend on sturdy technical force and continually create sophisticated technologies to meet the demand of OEM Customized Astm A53 Grade B Seamless Pipes - OEM Factory for Black Erw Shs And Rhs Construction Pipe 100*70* 3mm Thick Square Steel Tubing / Rectangular Steel Pipe Q235 Q345 Grade – Youfa, The product will supply to all over the world, such as: Montpellier, Japan, Berlin, Adhering to the principle of "Enterprising and Truth-Seeking, Preciseness and Unity", with technology as the core, our company continues to innovate, dedicated to providing you with the highest cost-effective solutions and meticulous after-sales service. We firmly believe that: we're outstanding as we have been specialized.
  • On this website, product categories is clear and rich, I can find the product I want very quickly and easily, this is really very good!
    5 Stars By Mabel from Danish - 2015.06.09 12:42
    It is a very good, very rare business partners, looking forward to the next more perfect cooperation!
    5 Stars By Elizabeth from Guyana - 2016.11.20 15:58