Personlized Products Seamless Square Tube St37.4 Astm A312 - Construction Material Galvanized carbon steel pipe – Youfa

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Our enterprise since its inception, often regards solution excellent as enterprise life, continually strengthen output technology, enhance product high quality and continually strengthen organization total high-quality administration, in strict accordance using the national standard ISO 9001:2000 for Lsaw Welded Black Round Steel Pipe Carbon Steel, Carbon Steel Square Tube, Ms Round Erw Steel Pipe, We, with fantastic passion and faithfulness, are willing to offer you with best services and striding forward with you to make a bright foreseeable future.
Personlized Products Seamless Square Tube St37.4 Astm A312 - Construction Material Galvanized carbon steel pipe – Youfa Detail:

Product Hot Dip Galvanized 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 EN39, BS1139, BS1387, EN10255,ASTM A53, ASTM A500, A36, ASTM A795,ISO65, ANSI C80, DIN2440, JIS G3444,GB/T3091, GB/T13793
Surface Zinc coating 200-500g/m2 (30-70um)
Ends Plain ends
with or without caps

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.



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Personlized Products Seamless Square Tube St37.4 Astm A312 - Construction Material Galvanized carbon steel pipe – Youfa detail pictures


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We have been experienced manufacturer. Wining the majority of your crucial certifications of its market for Personlized Products Seamless Square Tube St37.4 Astm A312 - Construction Material Galvanized carbon steel pipe – Youfa, The product will supply to all over the world, such as: Atlanta, Mumbai, Luxemburg, The working experience in the field has helped us forged a strong relations with customers and partners both in domestic and international market. For years, our products and solutions have been exported to more than 15 countries in the world and have been widely used by customers.
  • This is a very professional and honest Chinese supplier, from now on we fell in love with the Chinese manufacturing.
    5 Stars By Alice from Algeria - 2016.09.30 16:36
    In China, we have many partners, this company is the most satisfying to us, reliable quality and good credit, it is worth appreciation.
    5 Stars By Debby from US - 2015.06.18 17:25