Gold Member Since 2011
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Tianjin Youfa International Trade Co., Ltd.

Square Steel Tube, Rectangular Steel Tube, Gr B Hollow Section Pipes manufacturer / supplier in China, offering 400X400mm Large Size ASTM A500 Hot Rolled Square Steel Tube, Galvanized Square Steel Pipe, Gi Rhs, Made in China, ERW Square Steel Pipe, Gi Square Tube and so on.

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Supplier Homepage Product Rectangular and square pipe 400X400mm Large Size ASTM A500 Hot Rolled Square Steel Tube

400X400mm Large Size ASTM A500 Hot Rolled Square Steel Tube

FOB Price: US $580 / Ton
Min. Order: 3 Tons
Min. Order FOB Price
3 Tons US $580/ Ton
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Port: Tianjin, China
Production Capacity: 800000
Payment Terms: L/C, T/T, 400x400mm Large Size Gr.b Black Square and Rectang

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Basic Info
  • Model NO.: YFA-S1205
  • Technique: Hot Rolled
  • Surface Treatment: Black
  • Section Shape: Square
  • Size of Square: 20X20--400X400mm
  • Length: 5.8/6m or Customized
  • Producing Standard: ASTM A500 Gr.a/B/C
  • Producing Technique: Hot Rolled, Welded
  • Pipes Usage: Construction, Building Structure
  • Transport Package: PVC Package
  • Origin: Tianjin, China
  • Type: Welded
  • Material: Carbon Steel
  • Usage: Machinery Industry, Construction & Decoration, 400X400mm Large Size Gr.B Black Square and Rectang
  • Commodity: 400X400mm Large Size ASTM A500 Hot Rolled Square S
  • Size of Rectangular: 20X40--400X600mm
  • Surface: Black or Oilded to Prevent The Rust
  • Steel Material: Q195, Q235, Q345
  • Brand: Youfa
  • Trademark: Youfa
  • Specification: 20x20--400x400mm
  • HS Code: 73066100
Product Description

Products in detials
Commodity400x400mm large size astm a500 hot rolled square steel tube
Size20x20--400x400mm ( square) 20x40--400x600mm (rectangular) 
Wall thickness1.3mm-20mm  
Length5.8m/6m  or based on your request
StandardASTM A500 Gr.A/B/C , EN10219, GB/T and so on
SurfaceBlack, or Galvanized and Oiled to prevent the rust  
End finishPlain end
Usageconstruction, building materials
PackingIn bundles, packed in woven bag  or as your request.
Delivery timeWithin 20 days or as your request
Payment TermsT/T or L/C at sight
Contact infoContact Person: Ms. Allen Ai

Standard Reference BS EN 10219-2:2006

Cold formed welded structural hollow section of non-alloy and fine grain steels
Size table, weight/meter(kg/m)
DimensionsWall thickness (mm)
80  7.079.2211.313.213.516.4   
100  8.9611.714.417.017.521.425.6  
120  10.814.217.520.721.426.431.835.8 
140   16.820.724.525.431.438.143.4 
150   18.022.326.427.433.941.347.148.7
160   19.323.828.329.336.544.450.952.6
180   21.827.032.133.341.550.758.560.5
200   24.330.135.837.246.557.066.068.3
300     54.757.071.688.4104.0108.0
350       84.2104.0123.0127.0
400        120.0141.0147.0

Company profile -- Tianjin Youfa Steel Pipe Group

This is Allen Ai from Tianjin Youfa Steel Pipe Group Co.Ltd. Tianjin Youfa International Trade Co. Ltd is one of the subsidiaries, which specialized in export trade.
Our company was founded on July 1, 2000, with headquarters located at the largest welded pipe production base in China - Daqiuzhuang Village, Tianjin City. We are a large-scale steel pipe manufacturing enterprise producing many kinds of pipes showed in the following sheet.
Main ProductsSizeWall ThicknessProduction LineProducing Capacity
ERW steel pipe 1/2" -- 8"1.5mm--10.0mm131,000,000 tons per yesr
Hot-dipped galvanized steel pipe 1/2"-8"1.5mm--10.0mm181,500,000 tons per year
Oil casing pipe, SSAW steel pipe 219mm-2020mm5.0mm--28mm5150,000 tons per year
Square/rectangular steel pipe 20x20--400x400mm,20x40--400x600mm1.3mm--20mm10800,000 tons per year
Hot-dip galvanized square/rectangular steel pipe 20x20--200x200mm,20x40--250x150mm1.5mm--7.5mm3250,000 tons per year
Steel-plastic complex steel pipe 1/2"--12"1.5mm--10.0mm9100,000 tons per year

High Quality Guaranteed

Our steel pipe production and sale, in three consecutive years, increased progressively, amounting to more than 1 million tons. Our YOUFA brand was affirmed as "Renowned Brand in China" by SAIC Trademark Bureau in March 2008. Our ERW steel pipes, hot dip galvanized steel pipes and SSAW steel pipes have been awarded as "Famous Brand Product of Tianjin" by Tianjin Government for many consecutive years.
Welcome your contact to our company if you are interested in our products, the best quality and competitive price will be offered.


Contact person: Allen Ai (sales manager)

Mobile: 86 15102237097 
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