Original Factory Carbon Fiber Telescopic Tube - Hot Dip Galvanized Rectangular and Square Hollow Steel Pipe – Youfa Detail:
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 /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
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:

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Adhering to the principle of "quality, service, efficiency and growth", we have gained trusts and praises from domestic and international client for Original Factory Carbon Fiber Telescopic Tube - Hot Dip Galvanized Rectangular and Square Hollow Steel Pipe – Youfa, The product will supply to all over the world, such as: Ukraine, Bandung, Doha, We'd like to invite customers from abroad to discuss business with us. We can present our clients with high quality products and excellent service. We're sure that we'll have good cooperative relationships and make a brilliant future for both parties.

This enterprise in the industry is strong and competitive, advancing with the times and develop sustainable, we are very pleased to have a opportunity to cooperate!

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