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With our leading technology at the same time as our spirit of innovation,mutual cooperation, benefits and advancement, we will build a prosperous future with each other with your esteemed firm for 50x50mm Black Square Steel Tube, Hollow 50x50mm Black Square Tube, Hollow 50x50mm Black Tube, Our goods are very popular in the word, like South American, Africa, Asia and so on. Companies to “create first-class products” as the goal, and strive to offer customers with high quality solutions, supply high-quality after-sales service and technical support, and customer mutual benefit, create a better career and future!
1.Standard:GB/T6728–2002,,ASTMA500GR.A.B.C,JIS G3466

Steel grade:Q195–Q235

Sizes:10mm*10mm—1000mm*1000mm/10mm*20mm—500*1000mm

Thickness :0.6*30.0mm

The section shape:square/rectangular

Country of origin:China(Mainland)

Provinces :Tianjin

Application :Structure Pipe

The production process: ERW

Certificate:CE

Whether the alloy:Non- alloy

Factory :yes

2.Product display:

4..Trading information :

The measuring unit：tons

Fob price:450—690

Minimum order quantity :25tons