YOUFA Advantange
1. 100% after-sales quality and quantity assurance. 2. Professional sales manager quick reply within 24 hours. 3. Large Stock for regular sizes. 4. Free sample 20cm high quality. 5. Strong produce capability and capital flow.
ss400 mill test certificate of 60x60 square hollow section ms pipe price per ton
Factory in Tianjin City,.
| Product Name | 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 Q355 = S355JR / A500 Grade B Grade C |
| Standard | DIN 2440, ISO 65, EN10219 GB/T 6728 JIS G3466 ASTM A53, ASTM A500/A500M, ASTM A36 |
| Surface | Bare, none surface treatment painted black or other color pre-galvanized (Zinc coating: 40-80g/m2) hot dipped galvanized (Zinc coating: 200-600g/m2 ) |
| Ends | Plain ends |
| Usage | Construction / building materials steel pipe Fence Post / Furniture structure pipe Solar Mounting Component |
| SHS Steel Pipe Outside Diameter | WT |
| 19x19 20x20 25x25 | 1.2-2.5mm |
| 30x30 32x32 35x35 | 1.2-4.0mm |
| 38x38 40x40 45x45 50x50 | 1.5-5.0mm |
| 55x55 60x60 65x65 70x70 | 1.5-6.0mm |
| 75x75 80x80 85x85 90x90 | 1.5-9.0mm |
| 100x100 | 1.8-10mm |
| 110x110 120x120 125x125 130x130 140x140 150x150 160x160 180x180 | 2.5-15mm |
| 200x200 | 3.0-16mm |
| 250x250 | 3.5-18mm |
| 280x280 300x300 350x350 400x400 450x450 500x500 | 4.75-20mm |
| RHS Steel Pipe Outside Diameter | WT |
| 20x30 to 30x40 | 1.2-3.0 |
| 25x65 to 60x80 | 1.5-6.0 |
| 40x120 to 80x100 | 1.5-10.0 |
| 40x135 to 80x120 | 1.5-16.0 |
| 50x160 to 100x200 | 2.5-15.0 |
| 100x350 to 200x250 | 2.75-16.0 |
| 100x400 to 75x250 | 3.5-18.0 |
| 200x350 to 400x600 | 4.5-20.0 |
Strict Quality Control
1) 1 Tianjin government accredited business technology center 2) 3 National accredited laboratory with CNAS certificates 3) During and after production, 4 QC staffs with more than 5 years experience inspect products in random.
4) Acceptable inspection from third party appointed/paid by buyer, such as SGS, BV.
5) Approved by,,,,, and. We own ASTM A795 FIRE PIPE Certificate, ISO9001/18001, FPC certificates.
1. OD 300mm and below In seaworthy bundles packed by steel strips, With two nylon slings for each bundles 2. above OD 300mm in bulk or according to custom opinion 3. 25 tons/container and 5 tons/size for a trial order; 4. For 20" container the max length is 5.8m; 5. For 40" container the max length is 11.8m.
Before-sale service
We can offer one free sample length 20 cm with freight collected, if you want to buy our products and take our price.
After-sale service
Quality/Quantity Claims: The Buyer is entitled to make both quality and quantity claim in writing against the Seller within 90 days after arrival at the port of destination.
Who We are?
(1) Top 500 Enterprises Industry Leading Brands (2) 18 years experience in manufacturing and exporting steel products since 2000. (3) For 12 Consecutive Years of The First Production and Sales · Over 1300,0000 Tons sales and production (4) Key Project Supplier · Three Gorges Project, the Capital International Airport, Shanghai Pudong International Airport, the 2008 Olympic Games venues, the Word Expo 2010, etc.
What We own? 11 factories with 9000 employees. 62 ERW steel pipe production lines 40 hot dipped galvanized steel pipe production lines 31 square and rectangular steel pipe production lines 9 SSAW steel pipe production lines 25 steel-plastic complex steel pipe production lines 12 hot dip galvanized square and rectangular steel pipe production lines 3 national accredited laboratory with CNAS Certificates 1 Tianjin government accreditd business technology center
Exhibitions and booths
Every year we attended exibition at home and abroad, visited customers and also have many customers visiting
Large amount of stocks
gi steel pipe
Size: OD 1/2"-10" Thickness: 1.5mm-10mm Length:6m Zine Coating: 30-40μm
Square/Rectangular steel pipe
Square size: 20*20mm-500*500mm Rectangular: 20*40mm-300*500mm Thickness: 1.2mm-30mm Length:6m/12m
ERW black steel pipe
Size: OD 1/2"-10" Thickness: 1.5mm-10mm Length:6m





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Step 1
Payment and order readiness
Minimum order: 15 Units
Payment terms, specifications, and order details are confirmed before preparation begins.
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Step 2
Preparation
35 days
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Step 3
Packaging and dispatch
Packaging details are available on request.
Final packing, freight, and delivery dates are confirmed before dispatch.
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