China wholesale Stk400 Square Steel Pipe - ASTM A53 Black Painted Welded Steel Pipe – Youfa

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We persistently execute our spirit of ''Innovation bringing growth, Highly-quality making sure subsistence, Administration marketing reward, Credit history attracting clients for Carbon Steel Pipe, Seamless Tubes, Sawl Steel Pipe, We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!
China wholesale Stk400 Square Steel Pipe - 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.


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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:

China wholesale Stk400 Square Steel Pipe - ASTM A53 Black Painted Welded Steel Pipe – Youfa detail pictures

China wholesale Stk400 Square Steel Pipe - ASTM A53 Black Painted Welded Steel Pipe – Youfa detail pictures


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With a positive and progressive attitude to customer's interest, our enterprise continually improves our products excellent to meet the wants of customers and further focuses on safety, reliability, environmental requirements, and innovation of China wholesale Stk400 Square Steel Pipe - ASTM A53 Black Painted Welded Steel Pipe – Youfa, The product will supply to all over the world, such as: Bulgaria, Malaysia, Nepal, Taking the core concept of "to be the Responsible". We will redound up on society for high quality products and good service. We will initiative to participate in international competition to be a first- class manufacturer of this product in the world.
  • 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 Margaret from Cyprus - 2015.11.28 16:25
    After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
    5 Stars By Donna from Austria - 2015.07.26 16:51