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Square steel pipes
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Standards
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GB/T6728-2002,JISG3466-88,GB/T3094-2000,ASTM A500,En10219-1-2006 etc
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Outside diameter
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20mm*20mm---600mm*600mm
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Wall thickness:
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0.5mm*18mm
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Length
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6m-12.5m ;as customer’s requirements;random length.
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Materials
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10#,20#,35#,45#,Q235B,Q345B,ASTM A106GrB,St37-2,St42,E235 etc.
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Applications
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bridge construction,automobile production,construction pipes,decoration pipes ,mechanical manufacture,etc
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Marking
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the sizes, steel grade or the standard can be marked on the pipe or stenciled.
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Thickness tolerence
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+/-0.5mm
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Process technique
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1)Seamless a)cold drawn b)hot rolled
2)ERW
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Inspection:
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Dimensional;Hydro test ;Eddy Current;U.T.;Flattening;X-ray test.
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Surface:
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Black pipe,black painting, hot dipped galvanized ,cold galvanized or as customers' requirements.
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Package
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1)packed in bundle with strong steel strip
2)2)In bulk
3)as the customers ' requirements.
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