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        ASTM A36 Square Hollow Section

　　Wall Thickness:3-50mm

　　Length:Up to 20meters, according to customers' request

　　Standard:ASTM A36

　　Steel grade: Gr.B, Gr.C, Q195, Q235, SS400, 20#, 45#, Q345B, etc

　　Shape of pipe: Square tube, rectangle tubes

　　Port:Tianjin

　　Material:Carbon Steel

　　Usage:Machinery Industry, Construction & Decoration, Special Purpose

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