BS700 square tube 12CR5MOI square tube can be bent and deeply processed by the manufacturer
1. The allowable deviation of the wall thickness of a square tube shall not exceed plus or minus 10% of the nominal wall thickness when the wall thickness is not greater than 10mm, and plus or minus 8% of the wall thickness when the wall thickness is greater than 10mm, except for the wall thickness in the corner and weld area.

2. The typical delivery length of square rectangular tubes is 4000mm to 12000mm, with 6000mm and 12000mm being the most common. Square rectangular pipes allow delivery of short and non fixed length products not less than 2000mm, and can also be delivered in the form of interface pipes, but the purchaser should cut off the interface pipes when using them. The weight of short and non fixed length products shall not exceed 5% of the total delivery quantity, and for square and rectangular pipes with a theoretical weight greater than 20kg/m, it shall not exceed 10% of the total delivery quantity

3. The curvature of the rectangular tube shall not exceed 2mm per meter, and the total curvature shall not exceed 0.2% of the total length