New Delivery for Structural Black Square Hollow Steel Pipes - One of Hottest for Black Painted Straight Welded Steel Pipe For Furniture Frame Youfa brand the biggest manufacturer for carbon steel pipe – Youfa

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We always believe that one's character decides products' quality, the details decides products' high-quality ,together with the REALISTIC,EFFICIENT AND INNOVATIVE crew spirit for 40x40 Steel Square Pipe, Pre Galvanized Round Steel Pipe, A106 Gr.B Seamless Carbon Steel Pipe, Our main objectives are to provide our customers worldwide with good quality, competitive price, satisfied delivery and excellent services.
New Delivery for Structural Black Square Hollow Steel Pipes - One of Hottest for Black Painted Straight Welded Steel Pipe For Furniture Frame Youfa brand the biggest manufacturer for carbon steel pipe – Youfa Detail:

We always work as a tangible team to ensure that we can provide you with the best quality and the best price for One of Hottest for Black Painted Straight Welded Steel Pipe For Furniture Frame Youfa brand the biggest manufacturer for carbon steel pipe, We respect your enquiry and it's our honor to work with each individual buddy around the world.
We always work as a tangible team to ensure that we can provide you with the best quality and the best price for Straight Welded Steel Pipe, Welded Steel Pipe, Welded Steel Pipe For Furniture, As operation principle is "be market-oriented , good faith as principle, win-win as objective", holding on "customer first, quality assurance, service first" as our purpose, dedicated to provide the original quality, create excellence service , we won the praise and trust in the industry of auto parts. In the future, We will provide quality product and excellent service in return to our customers , welcome any suggestions and feedback from all over the world.

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:

New Delivery for Structural Black Square Hollow Steel Pipes - One of Hottest for Black Painted Straight Welded Steel Pipe For Furniture Frame Youfa brand the biggest manufacturer for carbon steel pipe – Youfa detail pictures

New Delivery for Structural Black Square Hollow Steel Pipes - One of Hottest for Black Painted Straight Welded Steel Pipe For Furniture Frame Youfa brand the biggest manufacturer for carbon steel pipe – Youfa detail pictures


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Fast and fantastic quotations, informed advisers to help you choose the correct products that suits all your needs, a short manufacturing time, responsible good quality control and distinct companies for paying and shipping affairs for New Delivery for Structural Black Square Hollow Steel Pipes - One of Hottest for Black Painted Straight Welded Steel Pipe For Furniture Frame Youfa brand the biggest manufacturer for carbon steel pipe – Youfa, The product will supply to all over the world, such as: Grenada, Portugal, Doha, Our company insists on the purpose of "takes service priority for standard, quality guarantee for the brand, do business in good faith, to offer skilled, rapid, accurate and timely service for you". We welcome old and new customers to negotiate with us. We are going to serve you with all sincerity!
  • Hope that the company could stick to the enterprise spirit of "Quality, Efficiency, Innovation and Integrity", it will be better and better in the future.
    5 Stars By Eileen from New Zealand - 2016.10.13 10:47
    This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.
    5 Stars By Merry from Brazil - 2015.12.25 12:43