OEM manufacturer K55 Casing And Tubing Octg - Hot Dip Galvanized Square and Rectangular Steel Pipe – Youfa

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We now have our individual sales group, layout team, technical team, QC crew and package group. Now we have strict high-quality control procedures for each procedure. Also, all of our workers are experienced in printing discipline for Carbon Steel Round Tube Sizes, Full Black Steel Pipe, Wave Beam, Because we stay in this line about 10 years. We got best suppliers support on quality and price. And we had weed out suppliers with poor quality. Now many OEM factories cooperated with us too.
OEM manufacturer K55 Casing And Tubing Octg - Hot Dip Galvanized Square and Rectangular Steel Pipe – Youfa Detail:

Product Hot Dip Galvanized 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, EN10219

GB/T 6728

JIS 3444 /3466

ASTM A53, A500, A36

Surface Zinc coating 200-500g/m2 (30-70um)
Ends Plain ends
Specification OD: 20*20-500*500mm ; 20*40-300*500mm

Thickness: 1.0-30.0mm

Length: 2-12m

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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OEM manufacturer K55 Casing And Tubing Octg - Hot Dip Galvanized Square and Rectangular Steel Pipe – Youfa detail pictures


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To create more value for customers is our business philosophy; customer growing is our working chase for OEM manufacturer K55 Casing And Tubing Octg - Hot Dip Galvanized Square and Rectangular Steel Pipe – Youfa, The product will supply to all over the world, such as: Sao Paulo, Slovakia, Russia, Our products have mainly exported to south-east Asia Euro-America, and sales to all of our country. And depending on excellent quality, reasonable price, best service, we have got good feedback from customers overseas. You are welcomed to join us for more possibilities and benefits. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
  • Problems can be quickly and effectively resolved, it is worth to be trust and working together.
    5 Stars By Olive from Vancouver - 2015.11.04 10:32
    Speaking of this cooperation with the Chinese manufacturer, I just want to say"well dodne", we are very satisfied.
    5 Stars By Rebecca from panama - 2015.06.05 13:10