On Box section,
Internal dimensions can be approximately calculated by subtracting the wall thickness x2 from the over all diameter.
I.e. 50 x 50 x 3 box section =
50mm - 3mm – 3mm = 44mm approximately.
On Box section,
Internal dimensions can be approximately calculated by subtracting the wall thickness x2 from the over all diameter.
I.e. 50 x 50 x 3 box section =
50mm - 3mm – 3mm = 44mm approximately.