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　　ASTM A53 50X50 Galvanized Square Hollow Section

　　Standard:BS, GB

　　Grade Group:A53-A369,Q195-Q345

　　Section Shape:Square

　　Place of Origin:China

　　Application:Structure Pipe

　　Thickness:0.35 - 30 mm

　　Surface Treatment:Galvanized

　　Technique:ERW

　　Payment:L/C,T/T

　　Delivery Time:about 15days after received the deposit

　　Usage:Construction Structure

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