square steel hollow section

black square steel hollow section are also known as cold-formed square hollow sections, referred to as square tubes

S275JR Square steel tube is used for manufacturing plant, excavator, loader, bulldozer, coal mine hydraulic support, etc.

The outer diameter:10*10-1000*1000mm 10*15-800*1100mm,thickness:0.5-60mm length:1-24M

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