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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Adhering for the theory of "quality, services, performance and growth", we have received trusts and praises from domestic and worldwide shopper for Double Side Spiral Welding Steel Pipes, Ms Carbon Steel Pipe Price, 1200mm Diameter Carbon Steel Pipe, Our company is dedicated to providing customers with high and stable quality products at competitive price, making every customer satisfied with our products and 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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We not only will try our best to offer excellent services to every customer, but also are ready to receive any suggestion offered by our customers 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: Florida, United Arab emirates, Thailand, For more than ten years experience in this filed, our company has gained high reputation from home and abroad. So we welcome friends from all over the world to come and contact us, not only for business, but also for friendship.
  • The after-sale warranty service is timely and thoughtful, encounter problems can be resolved very quickly, we feel reliable and secure.
    5 Stars By Elvira from Tunisia - 2016.08.18 11:04
    After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
    5 Stars By Prima from The Swiss - 2015.06.21 17:11