Manufactur standard Din 2448 St37 Seamless Steel Pipe - Hot New Products Jis Galvanized Steel Pipe/jis Stk400 Steel Pipe Youfa brand the biggest manufacturer for carbon steel pipe – Youfa

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We take "customer-friendly, quality-oriented, integrative, innovative" as objectives. "Truth and honesty" is our administration ideal for Schedule 20 Steel Pipe, 150mm Diameter Gi Pipe, Construction Building Pipe, We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
Manufactur standard Din 2448 St37 Seamless Steel Pipe - Hot New Products Jis Galvanized Steel Pipe/jis Stk400 Steel Pipe Youfa brand the biggest manufacturer for carbon steel pipe – Youfa Detail:

We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate inside our success for Hot New Products Jis Galvanized Steel Pipe/jis Stk400 Steel Pipe Youfa brand the biggest manufacturer for carbon steel pipe, And there are quite a few international friends who came for sight seeing, or entrust us to buy other stuff for them. You might be most welcome to arrive to China, to our city also to our factory!
We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate inside our success for Galvanized Steel Pipe, Jis Galvanized Steel Pipe, Jis Stk400 Steel Pipe, All the imported machines effectively control and guarantee the machining precision for the products and solutions. Besides, we have now a group of high-quality management personnels and professionals, who make the high-quality solutions and have the ability to develop new goods to expand our market home and abroad. We sincerely expect customers come for a blooming business for both of us.

Product Square and Rectangular 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 DIN 2440, ISO 65, EN10219GB/T 6728JIS 3444 /3466ASTM A53, A500, A36
Specification Square Hollow: 20*20-500*500mmRectangular Hollow: 20*40-300*500mmThickness: 1.0-30.0mm

Length: 2-12m

Surface Bare/Natural BlackPainted or Oiled with or without wrapped
Ends Plain ends

square big pipe 12square big size pipe

square stock pipe

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:

Manufactur standard Din 2448 St37 Seamless Steel Pipe - Hot New Products Jis Galvanized Steel Pipe/jis Stk400 Steel Pipe Youfa brand the biggest manufacturer for carbon steel pipe – Youfa detail pictures


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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 Manufactur standard Din 2448 St37 Seamless Steel Pipe - Hot New Products Jis Galvanized Steel Pipe/jis Stk400 Steel Pipe Youfa brand the biggest manufacturer for carbon steel pipe – Youfa, The product will supply to all over the world, such as: Monaco, Costa Rica, Melbourne, Our company abides by the management idea of "keep innovation, pursue excellence". On the basis of assuring the advantages of existing products, we continuously strengthen and extend product development. Our company insists on innovation to promote the sustainable development of enterprise, and make us become the domestic high-quality suppliers.
  • The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.
    5 Stars By Ruby from United States - 2016.12.02 14:11
    As an international trading company, we have numerous partners, but about your company, I just want to say, you are really good, wide range, good quality, reasonable prices, warm and thoughtful service, advanced technology and equipment and workers have professional training, feedback and product update is timely, in short, this is a very pleasant cooperation, and we look forward to the next cooperation!
    5 Stars By Nicole from Berlin - 2016.09.16 13:44