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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We are proud of the high customer satisfaction and wide acceptance due to our persistent pursuit of high quality both on product and service for High Strength Spiral Welded Steel Pipe, Ssaw Spiral Welded Steel Pipe, Pre Galvanized Steel Pipe Price, We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
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


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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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With a complete scientific quality management system, good quality and good faith, we win good reputation and occupied this field 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: Italy, Latvia, South Korea, We will supply much better products with diversified designs and professional services. At the same time, welcome OEM, ODM orders, invite friends at home and abroad together common development and achieve win-win, integrity innovation, and expand business opportunities! If you have any question or need more information please feel free to contact us. We are looking forward to receiving your enquiries soon.
  • Product variety is complete, good quality and inexpensive, the delivery is fast and transport is security, very good, we are happy to cooperate with a reputable company!
    5 Stars By Gary from Czech - 2015.06.28 19:27
    We are long-term partners, there is no disappointment every time, we hope to maintain this friendship later!
    5 Stars By Edith from Israel - 2016.01.28 18:53