Square rectangular steel pipe is the choice of round to-square forming method good, or choose the Direct Forming Technology（ DFT ）method good?

Is it better to square square the square tube or to square it directly? The square tube manufacturer will answer for you

There are three methods for forming square tubes: round square, direct square and row roll square. Among the three methods, rounding and direct square are the most common. Which of these two methods is better? Today, Xiaobian will take you to distinguish.