China Gold Supplier for Standard Length Of Steel C Channel - galvanized steel powder coated square tube Q235b square /rectangular tube – Minjie

galvanized steel powder coated square tube Q235b square /rectangular tube, Galvanized Square Tube, powder coated square tube, Steel Square Tube, 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: 3.Trading information : The measuring unit：tons Fob price:450---690 Minimum order quantity :25tons 4.customer picture