Excellent quality Welded Pipes ! S355j2g3 Fluid Steel Pipe Erw Welded Tubes - High Quality Astm A53 Mild 3 Inch Sch 40 / 80 Black Painted Steel Pipes Youfa Brand biggest manufacturer for carbon steel pipe – Youfa

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We believe that long term partnership is a result of high quality, value added service, rich experience and personal contact for Dipped Galvanized Steel Pipe, Square Steel Pipe/Tube/Hollow Section, Pre Galvanized Square Tube, our merchandise have superior popularity from the whole world as its most competive cost and our most advantage of after-sale assistance for the clients。
Excellent quality Welded Pipes ! S355j2g3 Fluid Steel Pipe Erw Welded Tubes - High Quality Astm A53 Mild 3 Inch Sch 40 / 80 Black Painted Steel Pipes Youfa Brand biggest manufacturer for carbon steel pipe – Youfa Detail:

As for aggressive selling prices, we believe that you will be searching far and wide for anything that can beat us. We will state with absolute certainty that for such high-quality at such price ranges we've been the lowest around for High Quality Astm A53 Mild 3 Inch Sch 40 / 80 Black Painted Steel Pipes Youfa Brand biggest manufacturer for carbon steel pipe, We often concertrating on creating new creative solution to meet request from our customers everywhere in the planet. Sign up for us and let's make driving safer and funnier with each other!
As for aggressive selling prices, we believe that you will be searching far and wide for anything that can beat us. We will state with absolute certainty that for such high-quality at such price ranges we've been the lowest around for 3 Inch Black Painted Steel Pipes, 80 Black Painted Steel Pipes, Astm A53 Mild Steel Pipes, We have top engineers in these industries and an efficient team in the research. What is more, now we have our own archives mouths and markets in China at low cost. Therefore, we can meet different inquiries from different clients. Remember to find our website to check more information from our merchandise.

Product Fire Sprinkler Steel Pipe
Material Carbon Steel
Grade Q195 = S195 / A53 Grade A
Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2
Q345 = S355JR / A500 Grade B Grade C
Standard GB/T3091, GB/T13793API 5L, ASTM A53, A500, A36, ASTM A795
Specifications ASTM A795 sch10 sch30 sch40
Surface Painted Black or Red
Ends Plain ends
Grooved 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:

Excellent quality Welded Pipes ! S355j2g3 Fluid Steel Pipe Erw Welded Tubes - High Quality Astm A53 Mild 3 Inch Sch 40 / 80 Black Painted Steel Pipes Youfa Brand biggest manufacturer for carbon steel pipe – Youfa detail pictures


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We retain bettering and perfecting our goods and service. At the same time, we perform actively to do research and enhancement for Excellent quality Welded Pipes ! S355j2g3 Fluid Steel Pipe Erw Welded Tubes - High Quality Astm A53 Mild 3 Inch Sch 40 / 80 Black Painted Steel Pipes Youfa Brand biggest manufacturer for carbon steel pipe – Youfa, The product will supply to all over the world, such as: Egypt, Gambia, Afghanistan, There are advanced producing & processing equipment and skilled workers to ensure the products with high quality. We have found an excellent before-sale, sale, after-sale service to ensure the customers that could rest assured to make orders. Until now our products are now moving on fast and very popular in South America, East Asia, the Middle east, Africa, etc.
  • Problems can be quickly and effectively resolved, it is worth to be trust and working together.
    5 Stars By Sally from Bandung - 2016.10.23 10:29
    It's really lucky to find such a professional and responsible manufacturer, the product quality is good and delivery is timely, very nice.
    5 Stars By Lauren from St. Petersburg - 2016.04.08 14:55