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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Our business has been focusing on brand strategy. Customers' pleasure is our best advertising. We also offer OEM company for Carbon Steel Tube, Fbe Coating Ssaw Spiral Steel Pipe, Galvanized Rectangular Tube, We are now looking forward to even greater cooperation with overseas customers based on mutual benefits. If you are interested in any of our products, please feel free to contact us for more details.
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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Our goods are broadly recognized and reliable by users and can meet consistently switching financial and social demands of 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: Bangkok, US, Plymouth, We sincerely hope to cooperate with customers all over the world, if you would like to have more information, make sure you kindly contact us, we have been looking forward to building up a great business relationship with you.
  • The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!
    5 Stars By Priscilla from Thailand - 2016.02.28 14:19
    We always believe that the details decides the company's product quality, in this respect, the company conform our requirements and the goods are meet our expectations.
    5 Stars By Eileen from United States - 2016.08.21 14:13