The Knowledge About Outside R Angle Of Steel Tube

Now more and more users have put forward new requirements for the beauty of products, and they always prefer the smaller one.

However, R Angle can't be too small. It will cause damage to the base metal of the steel tube corner, then little force will cause cracking . The following is the standard of R Angle stipulated in the National Standard:

The R Angle is the radian between two angles in the square tube. In the production process of the square tube, the size of R Angle will be affected by the mould of the tube and the thickness of the tube wall. First is the straight-out one. Cold rolled square tube is directly produced by cold bending welding with steel coil. This process can stably control the R Angle in 1~2 times.