China wholesale Astm A106 Gr B Sch40 Black Seamless Steel Pipe - Chinese Professional Square Tube 20×20 Mm Steel Galvanized Square Hollow Tube Gi Pipe For Greenhouse – Youfa

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Our advancement depends over the highly developed devices, excellent talents and continually strengthened technology forces for 150x150 Steel Square Pipe, Galvanized Steel Piep, Gi Pipe Schedule 40, We promise to try our best to provide you with high quality and efficient services.
China wholesale Astm A106 Gr B Sch40 Black Seamless Steel Pipe - Chinese Professional Square Tube 20×20 Mm Steel Galvanized Square Hollow Tube Gi Pipe For Greenhouse – Youfa Detail:

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Product 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, EN10219GB/T 6728JIS 3444 /3466ASTM 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.

12 hot galvanized square and rectangular steel pipe production lines
Factories:
Tianjin Youfa Dezhong Steel Pipe Co.,Ltd;
Handan Youfa Steel Pipe Co.,Ltd;
Shanxi Youfa Steel Pipe Co., Ltd


Product detail pictures:

China wholesale Astm A106 Gr B Sch40 Black Seamless Steel Pipe - Chinese Professional Square Tube 20×20 Mm Steel Galvanized Square Hollow Tube Gi Pipe For Greenhouse – Youfa detail pictures


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No matter new customer or previous client, We believe in prolonged time period and trustworthy relationship for China wholesale Astm A106 Gr B Sch40 Black Seamless Steel Pipe - Chinese Professional Square Tube 20×20 Mm Steel Galvanized Square Hollow Tube Gi Pipe For Greenhouse – Youfa, The product will supply to all over the world, such as: Chicago, Lithuania, moldova, Ensuring high product quality by choosing the best suppliers, now we have also implemented complete quality control processes throughout our sourcing procedures. Meanwhile, our access to a large range of factories, coupled with our excellent management, also ensures that we can quickly fill your requirements at the best prices, regardless the order size.
  • This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.
    5 Stars By Ray from Jamaica - 2016.10.25 15:53
    We are old friends, the company's product quality has been always very good and this time the price is also very cheap.
    5 Stars By Janice from Holland - 2015.06.28 19:27