Prime Qulity Black Square Steel Pipe/Tube/Profile Building Material of Black Square Pipes

.Standard: BS EN10219, JIS G3471-1977, GB/T 13793-1992, DIN EN 10216-1-2004, ASTM A53M-2007, ASTM A523-1996

• Grade: 10#-45#, A53-A369, Q195-Q345
• Grade: 10#, 20#, 45#, A106(B,C), Q235, Q345, Q195, Q215
• Thickness: 0.4 - 20 mm
• Section Shape: Square
• Place of Origin: Tianjin, China (Mainland)
• Secondary Or Not: Non-secondary
• Application: Structure Pipe
• Technique: ERW
• Surface Treatment: oiled
• Alloy Or Not: Non-alloy
• Length: 6--12m

Galvanized steel square tube

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Profile Steel is used to mount, brace, support, and connect lightweight structural loads in building construction. These include pipes, electrical and data wire, Prime Qulity Black Square Steel Pipe/Tube/Profile Building Material of Black Square Pipes mechanical systems such as ventilation, air conditioning, and other mechanical systems. Strut channel is also used for other applications Profile Steel that require a strong framework, such as workbenches, shelving systems, equipment racks, etc. Specially made sockets are available to tighten nuts; bolts etc.
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Profile Steel is equipped with excellent equipments including two sets 1450 reversible rolling mills,Prime Qulity Black Square Steel Pipe/Tube/Profile Building Material of Black Square Pipes three sets 1150 reversible rolling mills, two sets galvanizing & galvalume lines, two sets color coating lines, one set correcting machine, and one set pickling line.