High Quality for 20mm*40mm Pre-galvanized Square Tube - Cheapest Factory Steel Building Material Best Company Astm A135 A795 Erw Galvanized Steel Pipe Youfa Steel Pipe the biggest manufacturer for carbon steel pipe – Youfa

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We always continually offer you the most conscientious purchaser services, and the widest variety of designs and styles with finest materials. These efforts include the availability of customized designs with speed and dispatch for Api 5l Astm A106 A53 Seamless Carbon Steel Pipe, Large Diameter Galvanized Welded Steel Pipe, Full Black Steel Pipe, We warmly welcome merchants from home and abroad to call us and establish business relationship with us, and we will do our best to serve you.
High Quality for 20mm*40mm Pre-galvanized Square Tube - Cheapest Factory Steel Building Material Best Company Astm A135 A795 Erw Galvanized Steel Pipe Youfa Steel Pipe the biggest manufacturer for carbon steel pipe – Youfa Detail:

Bear "Customer initial, High-quality first" in mind, we perform closely with our clients and provide them with efficient and specialist expert services for Cheapest Factory Steel Building Material Best Company Astm A135 A795 Erw Galvanized Steel Pipe Youfa Steel Pipe the biggest manufacturer for carbon steel pipe, We are sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy you. We also warmly welcome customers to visit our company and purchase our products.
Bear "Customer initial, High-quality first" in mind, we perform closely with our clients and provide them with efficient and specialist expert services for Galvanized Steel Pipe Size, Square Steel Pipe, steel pipe astm a120, steel pipe manufacturer, youfa steel pipe, Our products have national accreditation requirements for qualified, high quality merchandise, affordable value, was welcomed by people today all over the world. Our goods will continue to enhance within the order and look forward to cooperation with you, Must any of these merchandise be of curiosity to you, please letus know. We are going to be content to provide you a quotation up on receipt of your detailed needs.

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:

High Quality for 20mm*40mm Pre-galvanized Square Tube - Cheapest Factory Steel Building Material Best Company Astm A135 A795 Erw Galvanized Steel Pipe Youfa Steel Pipe the biggest manufacturer for carbon steel pipe – Youfa detail pictures


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Our purpose would be to offer good quality products at competitive price ranges, and top-notch support to clients around the whole world. We're ISO9001, CE, and GS certified and strictly adhere to their good quality specifications for High Quality for 20mm*40mm Pre-galvanized Square Tube - Cheapest Factory Steel Building Material Best Company Astm A135 A795 Erw Galvanized Steel Pipe Youfa Steel Pipe the biggest manufacturer for carbon steel pipe – Youfa, The product will supply to all over the world, such as: Norway, Myanmar, Guinea, Our products have won an excellent reputation at each of the related nations. Because the establishment of our firm. we have insisted on our production procedure innovation together with the most recent modern day managing method, attracting a sizable quantity of talents within this industry. We regard the solution good quality as our most vital essence character.
  • Managers are visionary, they have the idea of "mutual benefits, continuous improvement and innovation", we have a pleasant conversation and Cooperation.
    5 Stars By Mavis from Vancouver - 2015.09.16 11:31
    This is a very professional and honest Chinese supplier, from now on we fell in love with the Chinese manufacturing.
    5 Stars By Marjorie from New Zealand - 2015.02.08 16:45