Curcuma company specializes in producing large diameter thick-walled rectangular pipe, square and rectangular tube welded square and rectangular tube, galvanized square and rectangular tube, square and rectangular tube, pipe, square and rectangular pipe, large diameter thick wall straight seam pipe, Q345B thick-walled Rectangular tube, 16Mn square Rectangular Pipe, 20 # seamless square tube, 20 # seamless Rectangular Pipe, Q345B seamless square tube, rectangular tubes, Q345B weld square and rectangular tube, Q235B large-caliber square tube, a Q235B of large-caliber Rectangular Pipe, 304 Rectangular Pipe, the hot-dip galvanizing square and rectangular tube, a variety of Shaped Steel Tube. Square and rectangular tube, is the the the a form of address of the square tube is and rectangular pipe, that is, appearance etc. of the steel. Strip been processed volumes from the system. Generally strip after unpacking, smooth, curl, tube welding to form, and then by the tube rolled into the square tube is then cut into the required length. Is generally 50, per inclusive great value packages for also known as square in and RECTANGULAR COLD - FORMED steel hollow sections for, referred to as the square tube and Rectangular Pipe, Code, respectively, for the F and J 1, seamless square Rectangular Pipe the wall thickness of allowable deviation, When the wall thickness of not greater than 10mm when shall not be more than the nominal wall thickness plus or minus 10%, When the the the wall thickness is greater than 10mm when for the the wall thickness of plus or minus 8%, except for the wall thickness of the corners and weld-regional. 2, seamless square and rectangular tube of the usually Delivery length for the 4000mm-12000mm, the majority of in order to 6000mm and 12000mm. Seamless square and rectangular tube to allow the delivery of not less than 2000mm short foot and cut to length, can also interface the tubes form of delivery, but the demand side should use the interface tube removed. Short foot and cut to length weight of the product does not exceed 5% of the total deliveries, should not exceed 10% of the total deliveries for the theoretical weight greater than 20 kg / m seamless square and rectangular tube, seamless square and rectangular tube bending degrees per meter shall not be greater than 2mm, a total bending degrees of shall not be greater than 0.2% of the the total length of.