High reputation 25×25 Mm Black Square Pipe - 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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Our firm has been concentrating on brand strategy. Customers' satisfaction is our best advertising. We also offer OEM provider for High reputation 25×25 Mm Black Square Pipe - Hot Dip Galvanized Rectangular and Square Hollow Steel Pipe – Youfa, The product will supply to all over the world, such as: Madras, Hongkong, Canada, We also provide OEM service that caters to your specific needs and requirements. With a strong team of experienced engineers in hose design and development, we value every opportunity to provide best products for our customers.
The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.
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